MISCARRIAGE OF JUSTICE-SALLY CLARKE-UK

Sally Clark - victim of a miscarriage of justice

Sally Clark - Friday 16th March 2007

“It is with the very greatest sadness that Sally Clark's family announces that Sally was found dead at her home this morning, having passed away during the night.

The matter is in the hands of the coroner and it is too early to provide any further information. Sally's family very much hopes that the media will refrain from making any enquiries or attempts to contact them at this painful time.

Sally, aged 42, was released in 2003 having been wrongfully imprisoned for more than 3 years, falsely accused of the murder of her two sons. Sadly, she never fully recovered from the effects of this appalling injustice.

Sally, a qualified solicitor, was a loving and talented wife, mother, daughter and friend. She will be greatly missed by all who knew her.

NB: There are restrictions on any photographing or reporting of the family or their home.

Any media enquiries which are genuinely essential should only be routed to
Sue Stapely
Quiller Consultants
T: 020 7233 9444
M: 07885 798833 “

CHILD ABUSE OR BAD MEDICINE?

“This report of Sally's trial was written by her father, Frank Lockyer, QPM (Queen's Police Medal), retired Divisional Commander of South Wiltshire police force:

Following the tragedy of Sally's conviction the kindness, sympathy and support offered has been overwhelming. Newspaper reports covered only the four prosecution days of a 17-day trial and it concerns me that the public cannot possibly know the full facts. They cannot be aware that five eminent paediatric pathologists gave evidence in support of Sally or that midwives, health visitors, friends and neighbours, not to mention husband Steve, all confirmed that they had rarely seen a stronger bond of love between a mother and her children. Nevertheless, it is encouraging that so many are perceptive enough to write "there is something wrong somewhere." I am anxious that a balance is put - as indeed it was to the court but astonishingly rejected by ten members of the jury.

Baby Christopher was born on September 22, 1996, and found dead in his Moses basket at 11 weeks. Death was certified as "natural causes" and Sally and Steve decided that the best bereavement therapy was another baby.

Harry was born on November 29, 1997, and eight weeks collapsed in his bouncy chair.

The only common factor, which may or may not be relevant, is that both deaths followed shortly after vaccination. [There is research into the possibility that these vaccinations can cause death within a few days if infants have certain genetic defects.]

Case history written in January 2000 by Sally's father, Frank Lockyer

Sally and Steve arrested

Mindful of a possible genetic problem Sally and Steve asked for specialist pathological examination - as did the hospital paediatrician. Unfortunately, this was ignored and the post-mortem was performed by the local Home Office pathologist, Dr Williams.

After four weeks' delay, during which Sally and Steve had made several enquiries as to progress of the autopsy, both was arrested.

 Dr Williams reported retina and brain damage attributed to "baby shaking". The case was later referred to Professors Green and Meadow, a team well known in the profession and media for their campaign that up to 40% of cot deaths are in fact abuse, who thought it "likely" but were cautious enough to then recommend the cause of death as "unascertained."

This prompted a review of Christopher's death, following which the original certificate of natural causes was replaced by smothering. Consequently, in July 1998 Sally was charged with the murder of both babies - a prejudicial move when neither case stood up alone.

Over the next 14 months the Prosecution, culled support from Drs Smith and Keeling and the Defence assembled eight eminent paediatricians and pathologists, each expert in a particular specialisation.

 

The Evidence from the post mortems

Three days before the trial, Professor Green was brought to London to meet the defence expert, Professor Luthert, the leading retinal surgeon in Europe, at Moorfields Hospital, following which Professor Green admitted that his original diagnosis of baby shaking was wrong. He made a further statement that his original statement and evidence at the committal should be totally disregarded. But he then put forward the possibility that Harry had been smothered, which had cautious support from Smith and Keeling though Dr Williams not only maintained his original diagnosis of baby shaking but also disagreed that there was any evidence of smothering.

In the case of Christopher, the Prosecution was based on blood traces in the lungs and a slight cut inside the lip as evidence of smothering. Despite that, 14 months earlier Dr Williams had found nothing suspicious and had certified "Natural causes." At the trial, Professor Green claimed blood traces in the lungs whilst at the committal he had said there was NO blood in the lungs. He explained the discrepancy by saying he had been busy at the time and had not had time to look properly!

The Defence attributed the bloodstaining as being from the nosebleed suffered a week before and the cut lip to resuscitation in the ambulance, a not unusual mishap. Professor David, the independent consultant, thought the symptoms consistent with a pulmonary ailment and remains convinced that "natural causes" cannot be ruled out.

Bruising on the leg was post-mortem and attributable to hand-held resuscitation. This was the medical evidence on which Sally was convicted of abuse of Christopher.

In the case of Harry, as explained, the trauma/retinal injuries at first thought to be shaking was conceded by both sides (except Williams himself) to have been caused during the post-mortem. There was an old fracture of the rib suffered at 1-4 weeks of age, that had healed naturally, which, though unexplained, is not unknown in young babies and had caused no discomfort and certainly had nothing to do with death. The Prosecution relied on slight hypoxia as evidence of possible smothering which was not only dismissed by Dr Williams himself but also by the Defence medical team as present in all cot deaths to some degree and which is part of the dying process. That was the medical evidence on which Sally was convicted of abuse of Harry.

Evidence from hospital, health visitors, neighbours, and the nanny

It was agreed by ambulance men, nurses and hospital doctors that there was not a mark on either baby on arrival at the hospital. It was agreed by all the Defence medical team that the abuse alleged by Williams could not be occasioned without leaving marks. It was agreed by the clinic staff that both babies were bonny and thriving when regularly examined, including a few hours before death. It was agreed by midwives, health visitors, neighbours, the daily nanny, and husband Steve that there was at all times a strong bond of love between mother and child. It was agreed by the medical witnesses on both sides (again except Williams) that the cause of both deaths was "unascertained." The public cannot have known this as the newspapers reported only the Prosecution evidence. Neither could they know that Williams' pathology was described variously as "a blood bath"; as "cavalier, proved wrong in every area"; "never seen so many inconsistencies in a pathology report"; "no weight can be attached to any of the findings in a lot of contradictions."

This was summarised by counsel as "That catalogue of errors of findings and interpretations fills me with horror that this is the foundation of this woman being charged with murder."

Yet, Sally was convicted on both counts and is now serving two sentences of life imprisonment. How could this have happened?

Why the conviction?

Faced with no motive, no aggressive act and no cause of death, the speculation must be that 10 members of the jury who convicted were swayed by the sheer prejudice of the statistic cited by Professor Meadow - that two cot deaths are a 73 million to one chance. He is not even a statistician. Alternatively, the "one-liners" innocently offered by Steve and Sally themselves when interviewed by the police. They agreed that Sally took time to settle up North until she made friends; that ideally they would have waited for a family until her legal career was established, but her biological clock was ticking and they decided on a family; that, yes, Sally did like to look smart and wondered whether she would get into her dresses again. All this trotted out by the Prosecution as a depressed mother, a career girl with a comfortable life style who did not want a family! Or, maybe the jury were swayed by inferences that Sally was rather too upset at the hospital; or after waiting four weeks she was rather too anxious for the autopsy report; or that she demonstrated Harry's collapse wrongly; or the exploitation of minor discrepancies on the sequence of events on the night. Inferences in the Prosecutor's speech but never supported by evidence.

The consensus is that, backed by five eminent specialist professors, the Defence won the medical arguments and the jury's verdict astonished everyone present. The speculation is that the jury did not understand the medical evidence and took sound bites, reaching a majority decision on the disbelief that "lightning could strike twice" - plus the damning statistics from Professor Meadow, which are universally refuted even by the authors of the report from which the purports were made.

Cot deaths - murders?

Statistics vary according to source but the loss of two babies is more common than supposed - even two cot deaths. Cot deaths are those with no obvious cause and no unusual features but contrary to reports Sally and Steve have never claimed two cot deaths - indeed Christopher was certified as "respiratory infection". The figures from the Care of Next Infant charity (CONI) are one cot death in every 8,500, but after one cot death, the risk of a second actually increases to one in 200.

The formula 1:73 million (five times smaller than the chance of winning the lottery) is dangerous nonsense. At least, it was dangerous to Sally and will be for every grieving mother hereafter when, following a double death, it is transposed as the chance of a mother telling the truth being 1:73 million.

Professors Green and Meadow are men with a mission who advance their isolated theory that up to 40% of cot deaths are murders. "Think dirty," advised Green in a recent "Daily Express" feature, which so upset the CONI organisation.

The report of the confidential enquiry into stillbirths and deaths in infancy (CESDI) published on February 1, 2000, after a thorough examination over three years, assessed maltreatment, including deliberate harm, as well as neglect or extremely poor care, as probably in the region of 6%, which confirms the "up to 40%" claim as dirty thinking indeed.

So, what have we here? Sally convicted of murder on the evidence of pathologist Williams who, in the case of Christopher, had some 14 months earlier ignored the evidence he now cites as murder; then in the case of Harry, stands alone that he was shaken, which is not even supported by the other Prosecution medical witnesses and certainly refuted by the Defence. Next, in the case of Harry, we have Green who for 20 months persisted that he had been shaken but who, 72 hours before the trial, admitted that he was wrong and substituted smothering - and was then contradicted by Williams! A conundrum perpetuated by Drs Keeling and Smith, the other two members of the Prosecution team, who could not be certain whether death was natural or unnatural and thought it should be "unascertained." Meanwhile, the hypoxia on which the smothering theory is based was dismissed by the Defence team as present in all cot deaths as part of the dying process.

The Prosecution's medical evidence changed completely between committal and trial, prompting one paediatrician to say in court that he had never previously been involved in a case where so many of the Prosecution's medical findings crumbled to dust!

What now?

I'm afraid I cannot do justice to this unbelievable story in less than 2,000 words. "Unbelievable," as before this experience had anyone told me this story I would not have believed it. As her father my belief in her innocence is open to the jibe “ . . . well, he would, wouldn't he?" I take comfort from the fact that everyone who knows Sally, who saw her preparing for her babies, and saw her joy at their birth and her grief at their deaths, shares my belief in her innocence. They were my grandchildren and there is no way I could condone abuse. I never underestimated the prejudice of the Crown Prosecution Department's tactics in charging two deaths to be heard together. I did underestimate the credulity given to the bogus statistics and cosmetic trimmings, as against the weight of the evidence that there was not a mark or "mechanical " injury to either child nor a cause of death. However, I am biased of course - you must make up your own minds.

Yes, following the death of Christopher, Sally did have a breakdown leading to depression when one of her escape routes was occasional binge drinking. Nothing of the scale made of it in the newspapers and in no way did she drink whilst nursing her babies - as accepted by the judge in excluding all reference during the trial.

 

I'm afraid it has become a feature of big trials, particularly where conviction is unexpected or appeal likely, that someone puts the boot in to influence public opinion.

No, lest you wonder, there is no question of infanticide. Sally is clear that she will not pretend she murdered her babies just to escape on probation.

Yes, we now have our third baby, further evidence if it is needed that she wanted children. After initial worries with immunity deficiency, which may or may not be relevant, he thrives - but he needs his mother as a family.

My priority now is to further an appeal and have Sally released. Then to campaign that the autopsies for baby deaths should be done by a paediatric pathologist. Too many mistakes are being made and parents wrongly put under suspicion. Our postbag bears witness to that and also confirms that the incidence of two baby deaths in one family ridicules the statistics of Professor Meadow as wholly fallacious which, repeated as it was in every media report, was so prejudicial not just for Sally but also for future mothers.

If you have knowledge of infant cot deaths, or of two infant deaths in one family (cot or otherwise) then please write to me, Frank Lockyer, 2 The Meadows, Milford, Salisbury, Wilts. SP1 2SS or to the Portia Campaign.

Finally. Such does this country regard its "sacred cow" the jury system, that it is not easy to launch an appeal. It cannot just be said that the jury got it wrong - there has to be new evidence of perverse procedure. So please retain this summary for future reference as, should the pending appeal not be successful, we may need to enlist your help in a campaign.

The first appeal

Given that everyone at the original trial (including we're told the Crown Prosecution Service) did not expect her to be convicted, we appealed with confidence. It was "inconceivable" that Sally could lose. However, she did -much to the surprise of the experienced journalists present -, which may account for the unswerving support we have since received from the media, including legal and medical journals. How did it go so wrong?

The consensus is that the jury were influenced by that prejudicial statistic. However, the Appeal Court, whilst accepting that the statistic was wrong, thought it would not have influenced the jury unduly; and that there was other evidence. This ruling has been described by a leading QC (not connected with the case) as a "breathtakingly intellectually dishonest judgment".

The Appeal Court accepted the controversial evidence of the initial pathologist, crediting him as a "paediatric" pathologist, which he is not. Supported as he was by one expert who presupposed the pathology to be competent. It seemed not to matter that five eminent paediatric pathologists were scathingly critical of that pathology and disputed the findings. Nor that three of the prosecution's experts disputed much of the pathology and thought that the deaths should be `unascertained'

Baby Christopher's death was first certified as `natural causes', with some experts convinced that he died of respiratory infection. Some fourteen months later, following the second death, on the very same findings, his death changed to smothering.

Baby Harry was first said by the same pathologist to have suffered retinal haemorrhages and other signs of shaking. Twenty months later, and three days before the trial, the Defence proved that there were no retinal haemorrhages - and the prosecution's expert admitted that he had been confused by the slides! Over the intervening weekend, though the findings otherwise remained unchanged, Harry's death changed to smothering!

At committal the evidence had been that Harry showed no signs of smothering - now he did!

At committal, the evidence was that Christopher had no blood in his lungs but now there was "lots" - a contradiction explained by the prosecution's expert that he had been too busy to look at his notes.

At committal another prosecution expert opined that Sally's reactions were consistent with other mothers who had abused children, but, pressed to produce this research, he discovered that his secretary had shredded the papers!

Perhaps the most blatant contradiction was that the pathologist on whose autopsy the prosecution was founded had said at Committal that there was no pathological evidence that Harry had been smothered. However, both cases proceeded based on smothering for which both the presence and absence of physical signs can be consistent. There is no test known to science to prove that a baby has NOT been smothered. No mother is safe.

Only the pathologist and the one expert who seemingly accepted his pathology without question stated unequivocally that the children died unnatural deaths. The five defence experts stated that the findings were art factual, non-specific or just plain wrong. Even the three other prosecution experts demurred saying that the deaths should be recorded as `unascertained'. The pathologist could not explain how the injuries he claimed could possibly be occasioned without damage to the surrounding tissues, of which there was none. Sally was convicted on this stuff.

Contrary to some reports, Sally has not claimed the deaths were SIDS. She simply knows they were not murders. It is manifestly unfair that the Judgment should criticise that Sally had given no explanation. Particularly ironic given Sally's request that a specialised pathologist should do the second autopsy - which was ignored.

It is a matter of record that there was not a mark on either child on admission to hospital. There is no evidence other than that Sally was a very devoted mother under whose loving care both children thrived. This was confirmed by everyone in daily contact, including doctors, nurses, midwives, and the resident nanny.

I do not believe anyone set out to stitch up Sally. But I do believe that from the moment retinal haemorrhages (a classic sign of shaking) were mistakenly diagnosed, minds were made up. Everything found, said, or done was translated as a pointer to murder. When, three days before the trial, the vital plank of retinal haemorrhages was pulled from under, both cases effectively collapsed. However, over that weekend the case was saved for it had become too embarrassing to withdraw.

In the absence of direct evidence, the prosecution centred on circumstantial evidence - that Sally harboured career ambitions; that moving North had made her depressed; that her grief at the hospital was overreaction (whereas the paediatrician on duty thought it perfectly normal); perhaps the most nauseous being the interpretation of a fun letter written as from baby Harry to his Granddad, which included "I like to look angelic all day but at night prefer to keep Mummy and Daddy awake..." - allegedly revealing a harassed Mum with a propensity to murder! Nothing throughout years as a police officer prepared me for such repugnant tactics. Not circumstantial `evidence' but rather circumstantial speculations culled from innocent communications distorted.

Sally is where she is because of bad medicine, bad statistics, and because the will to win prevailed. The jury, doubtless confused by medical contradictions, fell back on sound bites to reach a majority verdict 10-2.

The Appeal Court chose to second-guess the jury - a matter of growing concern among senior lawyers. That they accepted the evidence of the pathologist, supported by only one of the experts, against five eminent defence experts, and in critical respects also, three of the prosecution's experts, is a paradox that bewilders medical and legal observers alike. Possibly the mistaken belief that the pathologist was a specialist prompted misplaced confidence.

Equally disturbing is the presumption by the Appeal Court that Sally and Steve lied. Given opportunity, there are independent witnesses who will confirm that they did not. Matters excluded at the trial as irrelevant and prejudicial were introduced in the Judgment, which given opportunity could have been refuted. This seems an affront to natural justice, particularly when the quid pro quo was to curtail character witnesses who would have confirmed Sally as an impeccable mother.

If you find this unbelievable, I am not surprised. I would not have believed it two years ago.

It was a great morale booster when last summer the Solicitor's Tribunal declined to remove Sally from the Roll - indicating, we believe, the concern felt throughout the profession.

Sally remains in prison where the Governor and Staff show every possible consideration. She has her son for "one glorious day a month". Whilst she has her down days, she remains resolute with the support of her husband Steve and Lesley our excellent Nanny.

Since Sally obtained a good degree, qualified as an Associate of the Institute of Bankers and later as a Solicitor, to become a successful Venture Capital Lawyer, it is easy to be a proud father. That she then put her career on hold to start a planned family when things went so disastrously wrong does not lessen that regard. Indeed, I am immensely proud of how she is coping with adversity - an even greater test.

For a country that keeps a critical eye on systems of justice elsewhere in the world, the enormity of this injustice is frightening.

C. Frank Lockyer,
2 the Meadows, Milford, Salisbury, Wilts. SP1 2SS
1st January 2002”.

 

 

 

 

SallyClark’s case was listed for hearing once again by the Court of Appeal from 28th - 31st January 2003. She was represented by Clare Montgomery QC.

“The support of well wishers was greatly appreciated by Sally and her support team.

Progress, before July 2002, on new evidence relevant to a second appeal

  • Peter Fleming, Professor of child health at Bristol U., who wrote the government report that first mentioned the notorious one-in-73 million figures, said, "This statistic was never intended as an estimate of real risk. It was never meant to suggest that this was an unnatural occurrence. "This statistic is of no relevance to a jury trying to understand whether babies had died naturally or unnaturally. It was used completely out of context and so, without explaining how it was arrived at, it is potentially misleading and dangerous."
  • New research by Dr Douglas Fleming shows that Christopher died near to the peak of a national lung infection epidemic.
  • Manchester University's Dr David Drucker and colleagues have identified a `cot death gene', whose existence firmly knocks on the head the assumption in Meadow's evidence that cot deaths occur independently. “

 

Statement by Sally Clark on having her conviction quashed by Court of Appeal

Wednesday 29th January 2003

“Today is not a victory. We are not victorious. There are no winners here. We have all lost out. We simply feel relief that our nightmare is finally at an end. We are now back in the position we should have been in all along and plead that we may now be allowed some privacy to grieve for our little boys in peace and try to make sense of what has happened to us.

I would like to thank the hundreds of people who have written to me since my conviction to offer me their support. These letters have been my lifelines, a source of great comfort, especially during my blacker times, and I have read and re-read every one. Not only is it incredibly kind and thoughtful of people to take the time and trouble to write to me, but also a number of them have been courageous enough to share very personal memories and relive painful experiences in the hope that it might be of some help. I told them that one day their faith in me would be seen to have been justified. That day has come.

I would like to thank the Governor, staff and inmates of Bullwood Hall prison for their compassion and understanding. Be in no doubt, it was a tough experience to be in prison, but the support that I received whilst I was there made it much more bearable. They say that friendships are often forged in the most unlikely situations. I leave behind a number of acquaintances and two close friends who have lived every moment of this ordeal with me. I would not have made it this far without them. It would not be appropriate to mention them by name. They know who they are, but my promise to one of them that I will do all I can to ensure that justice is done for her as it has been done for me today still stands. I will never forget them.

I would like to say a particular thank you to my legal team: Mike Mackey of Burton Copeland, and John Batt, my solicitors, without whose tireless hard work, commitment in the face of adversity and ceaseless belief in my innocence, none of this would have been possible. Clare Montgomery QC for her amazing grasp of the detail of my case and her peerless advocacy. Marilyn Stowe for helping us trace that crucial medical report. The same goes for Sue Stapely and David MacKay who kept the world informed of the injustice I had suffered and whose advice and guidance were invaluable throughout. There are so many others, too numerous to mention. I only hope that they will not be offended that I haven't mentioned them all by name. Each one deserves my personal thanks.

I am also grateful to the members of the Solicitors' Disciplinary Tribunal who in May 2001 had the courage and sufficient faith in me to allow me to remain on the Solicitors' Roll and offered me the first glimmer of hope for many months.

Thank you also to all my friends out here, many of whom have been in court today, who have shown me unwavering and unconditional support and loyalty. It would have been understandable perhaps for them to have written to me when all this first happened, but then to have felt that they had done all they could and that it was time to move on. However, no, they have been at my side throughout. Their friendship means so much.

The same goes for my family and, in particular, my Dad. For as long as I can remember, I have always wanted him to be proud of me and have tried to live my life, respectful of those in authority and in accordance with the morals and values taught to me by my parents as a child. Despite my innocence, there have been times throughout all of this when I have felt that I have let him down in some way. Yet, he has stood by me, and not only that, worked tirelessly alongside my legal team to secure my release. Not what he had planned for his retirement? I only hope that he is proud of me today. I am certainly proud of him.

Finally, my husband, Steve, who together with our little boy is my life. He has stood by me and supported me throughout this whole nightmare, not through blind love or unthinking loyalty, but because he knows me better than anyone else and knows, how much I loved our babies. He has been my rock and I love him now more than ever. Being separated from him for so long has been a living hell. Being deprived of more than three years of being a mum to our little boy has been even worse. Yet, somehow, despite our separation and against all the odds, we have managed to remain a family and stay close. My little boy knows that he has a mummy and a daddy who love him very much and love each other very much and that's what counts.

May we now be allowed the privacy to rebuild our lives, to move forward and to learn to be a proper family again?” Sally Clark

 

 

 
 Clare Montgomery QC's skeleton argument for the Appeal hearing.
 
 
 
 
 
“IN THE COURT OF APPEAL (CRIMINAL DIVISION) 2002/3824/Y3
 
 
IN THE MATTER OF A REFERENCE BY THE CRIMINAL CASES REVIEW COMMISSION
 
 
                                  THE QUEEN
 
 
                                     v.
 
 
                                 SALLY CLARK
 
                                                                   Appellant
 
                        _____________________________
 
 
 
                            SKELETON ARGUMENT ON
 
                            BEHALF OF SALLY CLARK
 
 
                        _____________________________
 
 
 
 
  For nearly three years after the death of Harry Clark, his mother Sally
Clark, her lawyers and their medical advisers believed that there was not
Any evidence of infection or any possible natural explanation of his death.
The cause of his death was mysterious and, in the language of the medical
Profession, "unascertained".
 
 
At the end of 2000, it emerged, for the first time, that there was clear
Evidence of an infection with staphylococcus aureus that had spread as far
as Harry's cerebral spinal fluid (CSF). This fluid should be sterile in a
healthy child, protected from harmful substances in the blood by  the  blood
brain barrier. The evidence of this infection had been known to the
Prosecution pathologist, Dr Williams, since February 1998. He had kept the
Results secret from Sally Clark and her advisers.
 
 
This is a clear case of non-disclosure by the prosecution.  This non
Disclosure has caused a serious injustice. The microbiological
Test results on Harry Clark demonstrate that, in all likelihood, he died
Suddenly, in reaction to the staphylococcus aureus bacteria with which his
Stomach, lungs and CSF were riddled.
 
 
It requires no degree of expertise to realise that the test results should
Have been revealed by Dr Williams and not kept secret. It is obvious that,
if the results been made known at trial, Sally Clark  would  not  have  been
convicted of murdering Harry or his dead brother, Christopher.
 
 
It is a matter of regret that the prosecution has failed to accept that
There has been any material non-disclosure in this case. Instead an attempt
Has been made to minimise the importance of the microbiological test
Results. This has wholly failed. It is plain even from the statements made
by the prosecution expert witnesses, that the results were material, in  the
sense described in R v. Judith Ward[1], in that  they  might  arguably  have
assisted the defence at trial.
 
 
Each of the prosecution experts has conceded that it is possible that Harry
died of acute staphylococcal infection. The  area  of  disagreement  between
the prosecution and defence experts  is  the  degree  of  likelihood  to  be
attached to that possibility.
 
 
Dr Keeling's conclusion is; "The concept of an infectious cause of death
was not considered by any of the experts at the  original  trial.  Now that
the concept of infection has been introduced it is important  to  appreciate
that the case  for  infection  is  being  made  on  the  basis  of  positive
cultures. Positive  cultures  alone  are  not  sufficient  evidence  of  the
presence  of  disease;  they  can  be   artefactual   as   the   result   of
contamination.[2]" (Emphasis added).
 
 
Dr Klein's opinion is that; "While there is no doubt that  the  sequence  of
events as described [by  Dr  Morris  of  an  infection  and  toxic  reaction
causing bleeding] could occur in an  infant  of  Harry's  age  it  would  be
exceedingly rare in an otherwise healthy individual.[3] "
 
 
Dr Wilson concludes that, in his view, the staphylococcus must  have  spread
in the blood stream before Harry's death. The absence  of  toxins  does  not
exclude the organism being contributory to death. The  white  cell  response
in the CSF is probably  related  to  a  bleed  but  the  presence  of  early
meningitis is not excluded. "S. aureus and/or its toxin is suspected  to  be
a cause of SIDS but the mechanism has not  been  elucidated.  It  can  cause
petechial  haemorrhages  secondary  to   circulatory   failure   and   toxin
release.[4]"
 
 
An attempt has also been made by the prosecution,  in  the  alternative,  to
say that the biochemical tests were so  obviously  flagged  that  they  were
effectively disclosed and it is the fault of the defence  that  the  results
were not discovered.
 
 
Finally and bizarrely it is suggested that the results  were  known  to  the
defence but were discounted or disregarded because they were irrelevant.
 
 
The last  two  suggestions  may  be  rapidly  disposed  of.  In  his  second
affidavit, Michael Mackay has confirmed that none  of  the  defence  lawyers
were made aware of the results[5]. This mirrors  the  position  of  the  CPS
which asserts that none of the prosecution lawyers knew of the results[6].
 
 
The assertion by the CPS  is  accepted,  subject  to  the  caveat  that  any
prosecution lawyer who inspected file 89 at  court  (in  which  the  results
were probably stored[7]) may have become aware of  the  results  and  should
then have disclosed them.
 
 
The prosecution skeleton  disingenuously  suggests  that  the  test  results
"were always available for inspection"[8]. This is  not  true.  The  results
may,  as  it  transpires,  have  been  available  for  inspection   by   the
prosecution in police file 89. However that was not a  file  that  was  ever
listed in the prosecution list of used  and  unused  material.  It  was  not
"available" to be inspected by the defence lawyers in any  meaningful  sense
of the word.
 
 
The prosecution also suggest  there  was  disclosure  because  the  fact  of
testing was revealed, even if the results were not[9].  This  suggestion  is
wrong. Disclosure is not meant to be a game where  the  defence  guess  what
may be relevant with the  benefit  of  hints  dropped  by  the  prosecution.
Unless and until the existence of positive microbiological results are  made
known to the defence and copies of those results are supplied or  inspection
invited, they cannot be said to have been disclosed.
 
 
The prosecution argument appears  to  have  overlooked  the  fact  that  the
professional and legal obligation to effect disclosure by  providing  copies
or inviting inspection has been clear  for  more  than  20  years.  The  old
Attorney General's Guidelines[10] required  disclosure  to  be  effected  by
provision of a copy, either by post, by hand, or  via  the  police.  If  the
unused material exceeded about 50 pages or was unsuitable for  copying,  the
defence solicitor had to  be  given  an  opportunity  to  inspect  it  at  a
convenient police station or, alternatively, at the prosecuting  solicitor's
office. The House of Lords has held (in overturning the rule in  Bryant  and
Dixon)[11] that the common law requires the physical  disclosure  of  police
witness statements by the provision of a copy. The  Criminal  Procedure  and
Investigations Act 1998 (the CPIA) requires disclosure  to  be  effected  by
copying the information to the defendant or, if that is not  practicable  or
desirable, allowing the defendant to inspect it[12]. The decision in  R.  v.
X Justices ex parte J[13] has made it clear that there is  in  all  criminal
cases a strong presumption in favour of the  provision  to  the  defence  in
good time of copies of all copiable exhibits. It is for the  prosecution  to
displace that presumption. No factors justifying the  displacement  of  that
presumption have been identified.
 
 
So far as the defence medical  experts  are  concerned,  all  bar  Professor
Emery (who died before the results  were  disclosed)  have  been  contacted.
Each has confirmed that results were not disclosed by Dr  Williams  or  seen
by them in the course of the case.
 
 
Professor Berry has said in terms he  was  never  told  about  the  results.
Indeed he seems to  have  been  misled  into  believing  that  there  was  a
negative result in relation to the microbiology tests  performed  on  Harry.
In his report dated 3.9.99, he stated that  neither  Harry  nor  Christopher
"showed any symptoms in life, nor was the mode  of  their  death  compatible
with infection. All tests for infection were negative with the exception  of
the unremarkable finding of  Staph.  aureus  in  the  respiratory  tract  of
Christopher."
 
 
Contrary to the suggestion by the prosecution that his  opinion  would  have
been unaffected by knowledge of the results[14], Professor  Berry  has  made
it clear that  the  results  were  "very  unusual"  and  would  have  had  a
significant impact on his opinion as to the cause of Harry's death[15].
 
 
Dr Rushton is equally confident that he was not made aware  of  the  results
at  the  time  of  the  trial.  Had  he  been  he;  "would  certainly   have
investigated the significance of the  isolation  of  the  staphylococcus  by
consulting my microbiological colleagues". He has concluded on the basis  of
the reports now available from the defence micro biologists that  the  death
of Harry was due to staphylococcal infection[16].
 
 
Professor Luthert has also confirmed that he was not aware of  the  results.
He described the situation on  non  disclosure  to  Mike  Mackey  as  "blood
chilling"[17]. He has also stated  that  he  would  have  no  difficulty  in
reconciling the episcleral haemorrhages at the back of  Harry  Clark's  eyes
with death arising from septicaemia.
 
 
Professor Whitwell has confirmed that she was not told of  the  results[18].
She understood Dr Williams  assertion  to  the  effect  that  there  was  no
evidence of disease to be a confirmation that  the  microbiological  results
were negative.
 
 
Each of  these  experts  has  also  confirmed  that  they  relied  upon  the
prosecution doctors to disclose all relevant results. This is obviously  the
proper approach, both as a matter of law and as a matter  of  common  sense.
The only contrary suggestion comes from Dr Keeling  who  herself  failed  to
seek the results. She  excuses  that  omission  by  reference  to  her  late
involvement[19]. This is not an issue that needs  to  be  resolved  for  the
reasons set out in the Defence Note of November 2002. If this is not a  case
of prosecution non  disclosure,  it  is  a  fresh  evidence  case  in  which
relevant and credible fresh evidence is now available.
 
 
Professor David (the court  appointed  expert  who  gave  evidence  for  the
defence with the leave of the family court  judge)  has  been  contacted  by
prosecution  counsel.  Following  that  contact  prosecuting   counsel   has
suggested that the results  may  have  been  disclosed  to  Professor  David
because "it is still not known for sure  whether  the  microbiology  results
were  in  fact  in  the  papers  supplied  to  Professor  David[20]."  Given
Professor David's response in his letter dated 6th  December  2002[21]  this
seems a far  fetched  basis  on  which  to  claim  the  tests  results  were
disclosed.
 
 
Professor  David  has  been  explicitly  dismissive   of   the   prosecution
suggestion that the results may have been disclosed  to  him,  but  ignored,
because he regarded them as irrelevant. His letter states:
 
 
     "What is so extraordinary is that  these  results  were  obviously  of
    special interest to the pathology department to  the  extent  that  the
    samples were actually sent away  to  the  headquarters  of  the  public
    health laboratory service for further testing  and  yet,  despite  this
    step being taken, none of the  results  were  disclosed.  The  PHLS  in
    Colindale is the national reference laboratory for microbiology  and  I
    am at a loss to understand how all these results  and  laboratory  data
    did not come to be passed into the care proceedings papers. There is no
    doubt that had these results been available, I would have  referred  to
    them in  my  report  and  I  would  have  investigated  their  possible
    significance further not only in relation to the  death  of  Harry  but
    also the death of Christopher."
 
 
 
                               Non disclosure
 
 
 
 
 
  Unfortunately this case demonstrates that the  lessons  that  should  have
been learned, as a result  of  the  decision  of  the  Court  of  Appeal  in
Ward[22], have not been. The duties of the prosecution and of  the  forensic
experts instructed by the Crown were spelt out in clear  and  uncompromising
terms in Ward. The scope of that duty has not been affected  by  the  coming
into force of the CPIA since the CPIA does not affect the  common  law  duty
of disclosure of expert witnesses, see Archbold 10-68.
 
 
The Court in Ward dealt with the critical importance of ensuring that  there
is a proper understanding of the nature and scope of the prosecution's  duty
of disclosure in relation to expert scientific  witnesses.  The  prosecution
barrister in that case had suggested that the  problem  was  solved  by  the
Crown Court (Advance Notice of Expert Evidence) Rules 1987 that  enable  the
legal representatives of a defendant in  a  Crown  Court  criminal  case  to
require the prosecution by notice  in  writing  to  provide  in  respect  of
scientific evidence a copy of (or an opportunity to inspect) "the record  of
any observation,  test,  calculation  or  other  procedure  on  which  (any)
finding or opinion is  based."  The  Court  observed:  "The  new  rules  are
helpful. But it is a misconception to regard them  as  exhaustive:  they  do
not in any way supplant or detract from the prosecution's  general  duty  of
disclosure in respect of scientific evidence. That duty exists  irrespective
of any request by the defence. It is also not limited  to  documentation  on
which the opinion or findings of an expert is based. It extends to  anything
which may arguably assist the defence. It is therefore wider in  scope  than
the rule. Moreover,  it  is  a  positive  duty,  which  in  the  context  of
scientific  evidence  obliges  the  prosecution  to  make  full  and  proper
enquiries from forensic scientists in order to ascertain  whether  there  is
discoverable  material.  Given   the   undoubted   inequality   as   between
prosecution and defence in access to forensic scientists, we  regard  it  as
of paramount importance that the common law duty of disclosure, as  we  have
explained it, should be appreciated by those who  prosecute  and  defend  in
criminal cases. And, if difficulties arise in a particular case,  the  court
must be the final judge.[23]"
 
 
Even  for  a  layman  it  should  have  been  readily  apparent   that   the
microbiology tests results  might  raise  two  or  more  medical  issues  in
connection with the death of  Harry  Clark.  The  first  obvious  issue  was
whether the results indicated staphylococcus aureus  infection.  The  second
issue was, assuming that there was an  infection,  what  effect  might  that
have had on Harry's condition.
 
 
In Keane[24] the Lord Chief Justice made it clear that  the  documents  that
must be disclosed as 'material' are those that can be seen; "on  a  sensible
appraisal by the prosecution: (1) to be relevant or possibly relevant to  an
issue in the case; (2)  to  raise  or  possibly  raise  a  new  issue  whose
existence is not apparent from the  evidence  the  prosecution  proposes  to
use; (3) to hold out a real (as opposed to fanciful) prospect  of  providing
a lead on evidence which goes to (1) or (2).[25]"
 
 
Any  qualified  medical  practitioner  or  prosecutor  who  was  shown   the
microbiology results ought to have  appreciated  that  they  might  possibly
raise issues in the case of  Sally  Clark,  whose  existence  would  not  be
apparent from the evidence the prosecution proposed to use.
 
 
                                 Good faith?
 
 
It is submitted that the non disclosure must have been deliberate, since  it
is to be  assumed  that  the  prosecution  asked  appropriate  questions  to
ascertain  whether  there  was  discoverable  material  in   Harry's   case.
Questions such as: "Are there any test results relating to Harry Clark  that
have not already been disclosed?" must  have  been  posed.  The  prosecution
must have been told, wrongly, that there were not.
 
 
This appears to be the explanation for the assurance given by the  solicitor
to  the  Police  Authority  (following  discussions  with  the  CPS  and  DI
Gardiner) in April 1999 that there were no  further  autopsy  reports  other
than those already disclosed[26].
 
 
It is appears that responsibility for the  deliberate  non  disclosure  lies
with Dr Williams. He was the sole named recipient of Dr Wills'  reports.  He
is most likely to have provided the false  or  misleading  information  that
the CPS and Police Authority solicitor relied upon.
 
 
Dr Williams' explanation for his failure to disclose the reports  is  wholly
unsatisfactory. His claim to the  meeting  of  experts  that  there  was  no
evidence of infection in Harry's case[27] was,  on  its  face,  untrue.  His
present position is equally incredible[28].
 
 
On one view the question of Dr Williams' credibility may be something  of  a
side issue for the reasons identified in the Defence Note of November  2002.
If the Court concludes that the microbiology results were not disclosed  and
that the expert opinions now obtained, commenting on the  relevance  of  the
results, amount to credible fresh evidence going to a relevant issue in  the
trial, then the appeal should be allowed.
 
 
However it is submitted that the fact of a deliberate  non  disclosure  will
impact on Dr Williams' credibility,  competence  and  claimed  impartiality.
This is of significance since the majority of the  critical  points  in  the
prosecution  case  depend  upon   disputed   and   inadequately   documented
'findings' by Dr Williams.
 
 
Thus the case on Christopher in relation to the 'nick' in the  frenulum  and
the presence of abrasions  or  bruises  depends  entirely  on  Dr  Williams'
evidence.  Without  that  evidence,  the  only  relevant  medical   evidence
relating to Christopher that was properly  recorded  and  capable  of  being
independently investigated were the slides of  Christopher's  lungs  showing
bleeding and haemosiderin and the test  results  relating  to  Christopher's
blood chemistry. No expert has suggested that the slides of  the  lungs  are
capable of establishing a case of murder. At its highest,  the  presence  of
bleeding merely requires close attention[29]. In the absence  of  any  other
material it is not does not establish the cause of death.
 
 
Dr Williams' credibility is also of  acute  significance  in  Harry's  case.
Much turns on Dr Williams'  denial  of  the  allegation  that  many  of  his
findings were artefactual, caused by his faulty post mortem  technique.  For
example, in  the  original  police  investigation,  great  significance  was
attached to his finding of  haemorrhages  in  the  eye.  In  the  course  of
discussions between the experts it became apparent that  Dr  Williams  could
not tell the difference between the choroid and the retina.  In  the  event,
by the time of trial it was accepted that there  were  no  relevant  retinal
haemorrhages. However, both at trial and on appeal, attention was  given  to
the 'finding' by Dr Williams of scleral haemorrhages. The  defence  case  is
that they are  artefactual.  Dr  Williams'  competence  and  credibility  is
therefore directly in issue on this point.
 
 
Similar issues arise in relation to Dr Williams 'finding'  of  bleeding  and
swelling in connection with Harry's spinal cord. The  claimed  swelling  was
not detectable in the sections  taken  by  Dr  Williams.  The  bleeding  was
likely to be post mortem in origin, in the view of the defence experts.
 
 
The suggestions that there was a dislocation between the cartilage  and  the
bone of Harry's right second rib and a  callus  formation  on  his  rib  are
similarly dependent on the reliability of Dr  Williams'  observation.  There
was no evidence of fracture on the X ray and no adequate  attempt  was  made
to document the 'finding', either photographically  or  histologically.  The
existence of a fracture or  dislocation  is  also  quite  inconsistent  with
Harry's observed well being at all times prior to his death.
 
 
Dr Williams' claim that the biochemistry results were  irrelevant  does  not
stand up to scrutiny. The detailed forensic attention that has been paid  to
the results for the purposes of this appeal underlines the fact that  it  is
highly unlikely that a skilled  and  conscientious  pathologist  would  have
ignored the results and treated  them  as  unworthy  of  mention.  For  this
reason alone, the defence does not accept Dr Williams' explanation  for  not
referring to the results in his reports,  in  his  discussion  with  defence
experts and in his evidence at trial.
 
 
Prof Berry describes the results as "very unusual"[30]. Dr Morris  describes
them "highly significant[31]". Dr Walters says they are  "most  unusual"[32]
and adds that to find  staphylococcus  aureus  as  a  contaminant  with  the
presence of polymorphs in two sites would be "remarkable"[33]. Prof  Fleming
confirms this. Staphylococcus  aureus  "is  not  a  common  organism  to  be
isolated from multiple  deep  sites  at  post  mortem  and  is  very  rarely
isolated from the CSF"[34]. Even Dr Wills suggested in his  original  letter
to Dr Williams that:  "It  is  somewhat  unusual  to  find  a  contaminating
organism so widely spread and it may  be  that  there  was  a  transient  or
terminal bacteraemia [The presence of viable  bacteria  circulating  in  the
bloodstream]."[35].
 
 
For the prosecution, Dr Keeling accepts that "CESDI[36] study  findings  (no
SA cultured from CSF) indicate that it is  an  unusual  occurrence  and  its
significance should be considered  most  carefully.  Sonnabend  et  al  1985
accept  a  pure  culture  of  an  organism  in  the  CSF  is   evidence   of
pathogenicity  [the  ability  of  a  parasite  to  inflict  damage  on   the
host]."[37]
 
 
The standard protocol  for  pathologists  in  the  investigation  of  sudden
unexpected deaths[38] requires the "bacteriological examination  of  bloods,
cerebrospinal fluid  and  lung  to  rule  out  septicaemia,  meningitis  and
bacterial lung infection respectively". The standard work on  the  Principle
and Practice of Infectious Diseases[39] emphasises the role  played  in  the
diagnosis of bacterial meningitis by a CSF examination.
 
 
For Dr Williams to dismiss the reported finding of staphylococcus aureus  in
the cerebrospinal fluid (CSF) coupled  with  the  presence  of  white  blood
cells, polymorphs, lowered glucose and a raised protein  level  without  any
discussion or disclosure is extraordinary.
 
 
The failure by Dr Williams to refer to the test  results  is  also  a  clear
departure from best practice. There is evidence that, in the  context  of  a
police investigation or a coroner's inquiry,  a  pathologist  should  record
the  outcome  of  all  results,  whether  positive  or  negative,   in   his
report[40]. In the absence of such action by the pathologist  there  appears
to be no mechanism for informing the authorities, such as  the  police,  the
coroner, and the CPS of the results[41]. As Dr Walters observed "an  autopsy
report that does not include  the  results  of  supplementary  tests  is  an
incomplete record of the  examination,  capable  of  misleading  anyone  who
consults it in the future."[42]
 
 
Dr  Keeling,  for  the  prosecution,  agrees  with  this.  "Reports  of  all
investigations done outwith the pathology department are  reported  in  full
including the accession number to facilitate  any  discussions  at  a  later
date.[43]"
 
 
The best practice is in fact exemplified in Dr Williams' own report  to  the
coroner where he reports his negative findings. Features that were  said  by
Dr Williams to be irrelevant on analysis (such as a mark on Harry's  cheek),
were identified and carefully explained in his report.
 
 
Furthermore, even if Dr Williams may claim that he was  entitled  to  regard
some of the results obtained as contamination; it is plain that some of  the
results were not. The transient bacteraemia suggested by Dr  Wills  and  the
identical phage typing suggest  that  there  was  staphylococcus  aureus  in
Harry's airways. This finding should have been reported, just as it  was  in
the  case  of  Christopher,  even  if  it  is  then   dismissed   as   being
unexceptional.
 
 
If, as Professor Green claims[44], Dr Williams told him  about  the  results
in Harry's case (although Dr Williams does not claim to have done so),  that
can only serve to confirm the proposition that the results should have  been
disclosed in order that they could be taken into account  by  others.  There
is no  excuse  for  Dr  Williams  not  providing  the  same  information  to
Professor Emery and Dr Rushton when they performed the second  post  mortem.
The only purpose in reporting the results to Professor Green can  have  been
because  they  were  potentially  relevant  to  anyone  providing  a  second
opinion. They would have been equally relevant to  Professor  Emery  and  Dr
Rushton.
 
 
In fact Professor Green's note does not support either  Dr  Williams'  claim
that the finding of staphylococcus was irrelevant, or Professor Green's  own
memory that Harry's results were discussed.
 
 
The prosecution  quotation  from  the  note  in  its  skeleton  argument  is
incomplete and misleading[45]. The note records[46]:
 
 
    "Christopher Clark was brought in dead to Macclesfield hospital shortly
    after 9.30pm. He was alone with his  mother  and  was  allegedly  being
    nursed in his bouncy  chair.  She  had  breast  fed  him  a  few  hours
    previously. Dr Williams was concerned that the child had various  minor
    bruises and abrasions (although the post-mortem photographs are of very
    poor quality). The child also had a torn frenulum, but as resuscitation
    had been attempted, Dr Williams felt he  should  give  the  child  "the
    benefit of the doubt". Staphylococcus aureus  was  grown  from  various
    swabs, and therefore although the histology showed no convincing  signs
    of infection, this was written off as a cot death. .
 
 
    He [Dr Williams] had made no comment on the histology of the  lungs  of
    Christopher Richard  Clark  except  to  note  the  presence  of  "focal
    inflammation". Again specimens from this child grew a staphylococcus."
 
 
 
    (Underlined part quoted in prosecution skeleton argument and said to be
    a reference to Harry)
 
 
The significance of the note (if it is accurate) from the point of  view  of
the  defence,  is  that  in  1998  Dr  Williams  was  prepared  to   ascribe
significance to the finding of staphylococcus  aureus  (in  Christopher),  a
proposition he has since been forced to ignore in his efforts to excuse  his
non disclosure in the case of Harry. It  will  be  observed  that  the  note
provides no support for the proposition that the finding  of  staphylococcus
in Harry was discussed. It strongly suggests that it was not.
 
 
The note also suggests that the failure to  report  Harry's  results  was  a
clear departure from Dr Williams' own  practice  of  reporting  biochemistry
results. It supports the possibility that the non disclosure was  deliberate
and motivated by partisan considerations.
 
 
The partisan motives may also be  evident  in  the  fact  that  Dr  Williams
persistently failed to correct the defence experts, all  of  whom  proceeded
on the basis that there was no evidence of infection. For example  Professor
Berry in his report dated 3.9.99 stated that neither Harry  nor  Christopher
"showed any symptoms in life, nor was the mode  of  their  death  compatible
with infection. All tests for infection were negative with the exception  of
the unremarkable finding of  Staph.  aureus  in  the  respiratory  tract  of
Christopher."
 
 
Even if Dr Williams did not supply this inaccurate information to  Professor
Berry, he  must  have  noticed  Professor  Berry's  error  and  should  have
corrected it.
 
 
The  whole  trial  proceeded  on  the  basis  that  there  was  no   natural
explanation for non-artefactual bleeding in Harry, no  evidence  of  natural
disease and no natural explanation for his death[47]. Defence  experts  were
repeatedly forced to concede that there was  no  evidence  of  infection  or
other natural causes[48]. Sally Clark was driven to accept  that  she  could
not explain how Harry died or why he might  have  bled.  Dr  Williams  never
volunteered the information that there was evidence of  infection  (even  if
he personally did not believe it).
 
 
When the jury asked "Are there blood tests results for Harry?"  Dr  Williams
gave a deliberately misleading answer. The degree of  deliberation  involved
is  confirmed  by  the  fact  that  it  is  now  clear   from   the   police
investigation, carried out in 2002, that Dr  Williams  must  have  consulted
the files that contained toxicology, virology and  microbiology[49]  results
for Harry before answering the question.
 
 
Robin Spencer QC has devoted 16 pages of his  skeleton  argument[50]  to  an
attempt to excuse and explain what was, on any view,  an  incomplete  answer
given by Dr Williams.
 
    "Q     Can I turn to the blood sampling for Harry? Have you  been  able
    to make enquiries and check the records in respect of Harry?
 
    A We've looked at the records as far back as we can. .
 
    Q Was a blood sample taken from Harry at post mortem when  you  carried
    the post mortem out?
 
    A Yes, a sample is always taken at post mortem.
 
    Q Do you know what was done with that?
 
    A That was submitted for toxicological examination and some of it would
    have been sent for viral studies."
 
 
Whilst the explanation fashioned by Mr Spencer (in the absence  of  evidence
tested under cross examination from Dr Williams) might just be possible  if,
as he suggests, the question was misunderstood by Dr Williams, it is  not  a
likely explanation. It is extraordinary that Dr Williams  should  choose  to
refer only to toxicology and viral studies when he knew that there has  also
been microbiological testing. All are  equally  remote  from  the  topic  of
blood chemistry that Mr Spencer suggests lay behind the  jury  question  and
Dr Williams' answer.
 
 
 
               The non disclosure was material/Fresh evidence
 
 
As the Court will appreciate from the Defence Note of November 2002,  it  is
submitted  that  the  success  of  this  appeal  is  not  dependent  on  the
prosecution non disclosure. The appeal could be allowed on  the  grounds  of
fresh evidence alone.  The  evidence  of  the  defence  experts  is  plainly
capable of belief. It would have  been  admissible  at  trial.  There  is  a
cogent explanation for the failure to call it  at  trial,  namely  that  the
defence did not know that there had been a  positive  result  obtained  from
the microbiological testing.
 
 
The only relevant issue in connection with the  fresh  evidence  is  whether
the evidence may afford a ground for allowing the appeal. As  the  House  of
Lords indicated in Pendleton[51], the Court is entitled to form  a  view  on
whether the evidence give rise to a reasonable  doubts  about  the  verdict.
The Court should however recognise it is at a  disadvantage  in  seeking  to
relate that evidence to the rest of the evidence which the jury heard.  "For
these reasons it will usually be wise for the Court of Appeal, in a case  of
any difficulty, to test their own provisional view  by  asking  whether  the
evidence, if  given  at  the  trial,  might  reasonably  have  affected  the
decision of the trial jury to convict. If it might, the conviction  must  be
thought to be unsafe."
 
 
There are three  questions  that  may  have  to  be  answered  in  assessing
materiality or the safety of the conviction. The first question  is  whether
the results may have been caused by  infection  rather  than  contamination?
The second question is what may be the effect of  staphylococcal  infection?
The third question is the issue canvassed above, namely  the  impact  on  Dr
Williams'  credibility  and  competence  of  the  fact  of  deliberate   non
disclosure.
 
 
                              1. Contamination?
 
 
There is no plausible basis for assuming contamination. The finding of
staphylococcus aureus in the CSF is highly unusual[52]. In studies[53] of
hundreds of sudden infant deaths, there has been only 1 case in which the
CSF was found to be infected with staphylococcus aureus and 7 where
staphylococcus aureus was found in the blood. Since it is common and
unremarkable for such infants to have staphylococcus aureus in their
airways[54], it is astonishing if the mechanism of contamination favoured
by Dr Keeling is possible or even likely, that staphylococcus aureus has
not been found more widely in the blood and CSF of dead infants.
 
 
In addition, the absence of staphylococcus  aureus  in  the  blood  suggests
that any contamination did not occur during resuscitation  or  after  death.
The only physical medium in which  staphylococcus  aureus  in  the  airways,
lungs or stomach could be transferred so as to contaminate the  CSF  is  the
blood[55]. The absence of staphylococcus aureus in  the  post  mortem  blood
sample suggests that contamination did not happen at the point of  death  or
resuscitation since there would  be  no  mechanism  for  the  staphylococcus
aureus to disappear from the blood and yet remain in the CSF.
 
 
The absence of staphylococcus aureus in the blood sample taken  by  A&E  has
no significance either  way  since  the  sample  may  not  have  been  large
enough[56] In any event a negative culture does not exclude infection[57].
 
 
Overall the absence of staphylococcus aureus in the  blood  argues  strongly
in favour of a infection in life that  Harry's  defences  may  have  cleared
from his blood but whose presence elsewhere had not be  cleared  and  killed
him. This appears to  be  a  possibility  accepted  by  Dr  Wilson  for  the
prosecution[58].
 
 
The fact that the finding is of a single pure organism also  suggests  there
is no contamination. Contamination caused  by  intubation  or  resuscitation
might  be  expected  to  spread  a  variety  of  organisms,  not  a   single
organism[59].
 
 
The case for contamination is undermined by the levels of  red  blood  cells
and leukocytes (white blood cells)  plus  polymorphs  in  the  CSF[60].  The
presence of polymorphs can only be explained by a reaction to  infection  or
irritation in life[61]. This is conceded by Dr  Keeling[62].  Dr  Wills  for
the prosecution agrees that the presence of white blood cells  indicates  an
inflammatory reaction.[63] Dr  Wills  also  concedes  that:  "The  polymorph
cells [in the CSF] are suggestive of a  bacterial  infection,[64]"  although
he goes on to says that the response is too low for  meningitis.  Dr  Wilson
states that "polymorphs in the CSF do suggest  a  reaction  to  inflammation
before death, as the ratio of red to  white  cells  is  not  what  would  be
expected from a simple leak of blood into the CSF.[65]"
 
 
The attempt to explain the polymorphs and white blood cells by reference  to
a prosecution theory that Harry had been shaken and had bled  into  his  CSF
in the last 2 to 3 hours of his life does not stand up to scrutiny.
 
 
Not only is the number of red cells minute (no  more  than  a  pin  head  of
blood) and insufficient  to  cause  irritation,  but  the  reaction  to  the
presence of that blood in the CSF  would  account  for  only  1  of  the  80
leukocytes plus polymorphs observed[66]. Dr Wills has conceded this,  albeit
at a late stage[67]. The only available and plausible  explanation  for  the
remaining 79 leukocytes is the presence of the staphylococcus aureus.
 
 
The blood irritation theory also provides no explanation  for  the  presence
of staphylococcus aureus and polymorphs  in  the  stomach[68].  No  one  has
suggested bleeding at that site or the presence of any  other  irritant[69].
Dr Wilson considers that  this  also  points  towards  an  infection  during
life[70]. His conclusion is "that it is not possible to  exclude  meningitis
in addition to bleeding into the CSF".
 
 
The presence of staphylococcus aureus, in life, for several  hours  is  also
supported by the presence of polymorphs[71] coupled with the raised  protein
levels, the reduced glucose levels[72] and the colour of the CSF.
 
 
At a late stage  the  prosecution  experts  appear  to  have  abandoned  the
attempt to make the microbiological facts fit  the  theory  advanced  by  Mr
Spencer that "Harry had been subjected to some trauma  two  to  three  hours
prior to death, by shaking or otherwise .[73]."
 
 
It is now suggested by the prosecution, in yet another attempt to  make  the
facts fit a murder charge, that the microbiological results are  the  result
of much older bleeding. This is unacceptable for a number of reasons.
 
 
First it is noteworthy that the shift of ground seems  to  be  justified  by
reference to the disputed finding by Dr  Williams  of  a  rib  fracture  and
haemosiderin around Harry's cord. Second the suggested early bleeding  makes
no sense. It would take a considerable and significant bleed  to  raise  the
protein to 3.24gms/litre. This must have occurred at least 10 days prior  to
death as it would take at least that time to clear the red cells  (only  230
per microlitre remained at the time of death). Any  such  bleed  would  have
caused Harry to be extremely ill.  This  would  have  been  obvious  to  all
concerned and he would have required admission  to  hospital  and  intensive
care.
 
 
In fact at all times up to 4 hours prior to his death Harry was  seen  by  a
series of independent witnesses to be healthy  and  well.  He  exhibited  no
signs of distress. He was handled daily by health care workers  who  noticed
no physical discomfort and saw no signs of injury. At that time Harry's  CSF
protein must have been normal and he could  not  have  been  suffering  from
meningitis. He cannot have suffered physical trauma.
 
 
The elevated CSF protein must therefore be due to events in  the  last  four
hours of his life. If it is not a consequence of a recent  bleed,  the  only
plausible explanation is cytokine release due to staphylococcal infection.
 
 
The suggestion that  the  turbidity  of  the  CSF  and  its  xanthachromatic
(yellow) colour indicate bleeding has also been demonstrably  destroyed[74].
 
 
So far as turbidity is concerned, the growth of staphylococcus  aureus  post
mortem  would  be  limited  for   the   reasons   explained   by   Professor
Blackwell[75]. The Avon  study  confirms  this.  "There  is  no  correlation
between the length of time taken before  post  mortem  and  the  finding  of
bacterial samples." The CESDI study  also  confirmed  this.  "There  was  no
clear relationship between mixed growth  in  blood  samples  and  increasing
post-mortem intervals." The contrary view expressed by Dr Klein is based  on
little more than guess work[76].
 
 
So far as colouration is concerned, the prosecution case  depends  upon  the
proposition that bilirubin may appear within 4 hours of  a  bleed  into  the
CSF. In fact as Dr Walters has pointed out  by  reference  to  the  standard
work on cerebrospinal fluid[77], bilirubin does not usually appear until  10
hours or more after the episode of bleeding. In the first 4  hours  after  a
bleed, the CSF would be coloured pink by the process of lysis.
 
 
Furthermore the presence of bilirubin would initially appear in  combination
with haemoglobin and give an orange colouration.  Dr  Walters'  calculations
have proved that it is  impossible  to  ascribe  the  colour  (if  correctly
observed)  of  Harry's  CSF  to  the  presence  of  bilirubin   related   to
bleeding[78]. It may be related to the increase in  the  protein  level[79].
It may more probably be related to the length of time  that  elapsed  before
the post mortem was performed[80].
 
 
Any prosecution proposition that propounds that Harry must  have  bled  into
his  CSF  as  the  result  of  trauma  inflicted  by  Sally  Clark  is  also
inconsistent  with  two  other  observations.  First  it  is  impossible  to
postulate a form of trauma that would cause bleeding at the site  identified
by Dr Williams without causing damage to other areas of  the  spine.  Second
there is no other evidence of shaking such as would be present in a case  of
shaken baby syndrome.
 
 
If bleeding was present in the CSF and occurred in life it  is  more  likely
to be related to haemorrhage caused  by  staphylococcus  aureus  toxins.  It
appears most likely however that the bleeding was post mortem and caused  by
contamination. This proposition is supported by the absence of any signs  of
haemoglobin discolouration.
 
 
                 2. The effect of staphylococcal infection?
 
 
The second question which the court must  address  in  connection  with  the
issue of materiality or safety is the  effect  of  a  staphylococcus  aureus
infection.
 
 
It  is  submitted  that  much  of  what   follows   should   be   relatively
uncontroversial. Staphylococcus aureus toxins can cause bleeding[81].  Thus,
even  if  it  not  the  cause  of  death,  its  presence  is   relevant   to
understanding the possible causes of bleeding found in Harry.  The  relevant
areas of bleeding were  scleral  haemorrhages,  petechial  haemorrhages  and
claimed bleeding connected with the spine.
 
 
Staphylococcus  aureus  toxins  may  also  damage  cells[82].  This  is   of
importance in connection with the changes  to  the  cells  in  the  temporal
lobe.  Dr  Keeling  seems  to  accept  this,   albeit   as   a   theoretical
possibility[83].
 
 
Thus the existence  of  staphylococcus  aureus  infection  may  have  helped
explain all  the  post-mortem  findings  which  caused  concern  in  Harry's
case[84] (other than the disputed evidence given by Dr Williams relating  to
the ribs and the finding of  haemosiderosis).  This  is  the  case  even  if
staphylococcus aureus did not cause death.
 
 
It is in fact likely that staphylococcus aureus caused Harry's death. It  is
not possible to be certain of the mechanism[85]. All that can be  said  with
confidence  is  that  bacterial  toxins  can  kill   without   leaving   any
histological signs[86]. Toxic shock and septic shock[87] are  both  possible
causes of death. Staphylococcus aureus commonly causes  septicaemia  without
any primary focus of infection[88].
 
 
It is accepted by all concerned that staphylococcus aureus in  the  CSF  can
cause meningitis, albeit infrequently[89]. Dr  Walters'  estimate  from  the
published data is that staphylococcus aureus  meningitis  constitutes  2-10%
of all cases of bacterial meningitis.
 
 
If the polymorph reaction was not caused by red blood cells in the CSF  then
the only possible source for the polymorphs and the raised protein  is  from
inflammation of the meninges. Thus, whether or  not  there  is  histological
evidence of swelling in the meninges, there must be  infection  in  them  to
produce polymorphs and raise the protein level[90].
 
 
The fact that the leukocyte level is above the normal limit but  lower  than
that seen in bacterial meningitis[91] is consistent with the known delay  in
the rise of white cells in the CSF after the onset  of  rapidly  progressive
meningitis[92]. It  is  also  consistent  with  the  data  that  shows  that
cerebrospinal fluid in  children  shows  less  inflammation  than  for  non-
infants[93]. Indeed children with culture proven  meningitis  may  sometimes
have normal white cell count[94].
 
 
The primary reason for the rejection  of  the  diagnosis  of  staphylococcus
aureus meningitis is the absence  of  histological  change[95].  However  it
appears to be well recognised that bacterial toxins can  produces  death  or
life  threatening  events  without  any   histological   change,   even   in
adults[96].
 
 
The likelihood of death is enhanced when, as was the case  with  Harry,  the
presence of antibodies are at their lowest levels[97].  The  effect  of  the
dose of calpol given to Harry after he was immunised may also  have  a  role
to play in suppressing inflammatory responses[98].
 
 
The presence of staphylococcus aureus in cases  has  uncontroversially  been
accepted as being related to sudden infant death even in cases  where  there
is no histological change[99].
 
 
Even the prosecution accept that death can occur very rapidly in very  young
children[100]. What they have  failed  to  accept  however  is  the  logical
consequence of that concession, namely  that in  the  case  of  rapid  death
there is unlikely to be any specific histological change.
 
 
CSF sampling is likely to be the most sensitive method of  testing  for  the
signs of early infection and  meningitis[101].  It  is  a  matter  of  basic
physiology that polymorphs will be present before there is any  histological
change or visible pus on the surface of the brain[102].  Dr  Wilson  appears
to accept this proposition on behalf of the prosecution. "I agree  that  the
central nervous system findings would be compatible with an  injury  leading
to bleeding and inflammation of the meninges before death. I agree  that  an
illness lasting several days  before  death  would  have  resulted  in  more
striking  findings  at  post  mortem,  particularly  abcesses  and  purulent
meningitis.[103]" The point is made more forcefully  by  Dr  Wilson  in  the
following passage: "In meningitis the usual progression  would  be  bacteria
alone, bacteria plus lymphocytes and then bacteria plus  polymorphs  over  a
period of 3 - 5 hours.[104]"
 
 
Once there is infection, a toxic reaction may cause death at any  time.  The
likelihood of death is considerably increased if there is no known focus  of
infection[105].
 
 
Although the prosecution  originally  suggested  that  the  absence  of  any
finding of the toxins TSST and SEA-SED was conclusive  to  show  that  there
had been no toxic shock[106] or other toxic effect, it is now appears to  be
accepted[107] that staphylococcus aureus produces a number of  toxins  other
than the toxins tested  for[108],  including  staphylococcal  enterotoxin  E
(SEE)[109] and F[110], as well as alpha, beta, gamma and delta  toxins  that
damage cell membranes[111]. The bacterial  cell  wall  can  produce  peptido
glycan toxin[112]. There are also other components of staphylococcus  aureus
that can produce strong inflammatory responses[113].
 
 
The argument is not illuminated by the statement of Dr Klein which  contains
the  unsupported  assertion  that  there  can  be  no   meningitis   without
histological change. He is not a pathologist and therefore would never  have
cause to examine or understand sudden deaths  where  there  is  no  sign  of
histological  change.  His  assertion  that  there  must  be  symptoms   and
histological change is understandable given  that  his  practice  is  solely
concerned with living but obviously sick children.
 
 
Dr Klein's assertion cannot stand in the  face  of  documented  examples  of
children and adults who  have  died  as  a  result  of  toxins  without  any
histological changes being present[114].
 
 
Dr Klein's evidence is also undermined  by  the  fact   that  staphylococcus
aureus is now being  identified  as  a  possible  cause  of  SIDS.  If  this
identification is correct, it also supports the proposition that  death  may
be caused by  staphylococcus  aureus  without  any  associated  histological
change.
 
 
The proposed connection between staphylococcus aureus and SIDS also  answers
Dr Keeling's point that there cannot be a  disease  which  either  colonises
(not producing disease) or kills rapidly. If the possibility (which she  has
acknowledged in a paper of which she is a  co-author)[115]  that  "pyrogenic
toxins of Staphylococcus  aureus  are  involved  in  .sudden  infant  death"
exists, then staphylococcus aureus infection may be just such a disease.
 
 
The rate of infection  with  staphylococcus  aureus  fits  the  mathematical
model for SIDS. It occurs with greater frequency  in  boys,  in  the  winter
months, when babies are put to sleep on their fronts or on  old  mattresses,
all of which were otherwise inexplicable  epidemiological  features  of  the
incidence of SIDS[116]. On investigation, staphylococcus aureus toxins  have
been detected in the tissues of more than 50% of SIDS victims  (as  compared
to a much lower level in infants who died of other causes)[117].
 
 
                        3. The impact on Dr Williams?
 
 
It is not proposed to repeat the matters set out above,  under  the  heading
'Good Faith'. It is clear that the fact of non disclosure  raises  questions
about  Dr  Williams'   credibility   and   competence.   The   presence   of
staphylococcus aureus in  a  pure  culture,  leukocytes,  polymorphs  and  a
raised protein level ought to have suggested to Dr  Williams  at  least  the
possibility of  bacterial  meningitis,  even  if  it  may  not  have  caused
death[118]. Dr Klein agrees that  the  CSF  leukocytes  is  consistent  with
meningitis.  Dr  Wilson   states:   "It   is   not   possible   to   exclude
meningitis.[119]"
 
 
On any view it was a possibility that ought to have been  frankly  disclosed
and debated. There are only two possibilities.  Either  Dr  Williams  is  so
incompetent or  negligent  that  he  failed  to  recognise  early  signs  of
bacterial meningitis or he was  deliberately  unwilling  to  acknowledge  or
admit that possibility, having set a murder investigation in train.
 
 
                               73 million to 1
 
 
Despite the prosecution's claim that the 1 in 73 million  statistic  was  and
is irrelevant, this was not the stance taken at trial.  The  prosecution  in
closing and the trial judge in summing up  both  emphasised  the  statistic.
The jury must have believed that it was relevant.
 
 
If it is now conceded  it  was  irrelevant  and  the  Court  of  Appeal  has
determined that the judges' direction on the topic was inadequate  to  avert
the danger of the 'prosecutor's fallacy'[120], it is necessary  to  evaluate
the impact of the wrongly admitted evidence and the mistaken summing  up  on
the juries verdict.
 
 
In addition to this, the Court must give weight  to  the  uncontested  fresh
evidence that shows the first Court of Appeal (and the parties) were  misled
into thinking that, whatever the true statistical figure  might  be,  a  cot
death would still be a rare or unusual event. This fact was highly  material
to the  conclusion  of  the  Court  of  Appeal  that  the  convictions  were
safe[121].
 
 
However as Professor Hill  has  now  demonstrated,  in  any  family  unlucky
enough to suffer a first SIDS, a second SIDS death is not a  rare  event  at
all. Odds of 1 in 260 have been estimated[122] or 1 in 100[123].
 
 
The figure of 73 million to 1 or any evidence of rarity would  have  had  an
effect on the jury. It is now accepted that the evidence  was  inadmissible.
It should  therefore  never  have  been  led.  If  true,  the  evidence  was
profoundly damaging. Further the damage was exacerbated  by  the  fact  that
the jury were never  adequately warned about the dangers of  believing  that
the odds of innocence were 73 million to 1.
 
 
The facts must now  be  reconsidered  in  the  light  of  the  substantially
diminished certainty that can be attached to the prosecution  medical  case.
The  diminished  medical  evidence  also  has  a  knock  on  effect  on  the
"circumstantial  evidence"  relied  upon.  It  would  be  quite  wrong,  for
example, to continue to place weight on the  absence  of  explanations  from
Sally  Clark  for  the  bleeding  found  in  Harry,  given  the  finding  of
staphylococcus.
 
 
Once the evidence is reassessed in this new light  it  is  not  possible  to
conclude that the giving of the flawed statistic and  the  misdirection  did
not have any substantial effect upon the jury.
 
 
                       The approach of the Prosecution
 
 
The prosecution seek to obscure the  real  injustice  caused  by  their  non
disclosure and misleading  use  of  statistics  by  seeking  to  argue  that
nothing has changed. This is unrealistic and wrong.  The  errors  that  have
permeated this case have a widespread ripple effect. No one  aspect  can  be
considered and dismissed in isolation. For example the non  disclosure  will
have affected all the evidence in relation to Harry's case. Sally Clark  may
have been regarded as less credible by the jury  because  she  had  no  idea
what may have killed him. The defence experts may have  suffered  a  similar
fate.
 
 
The  prosecution  place  considerable  weight  on  the  defence  concessions
extracted  in  cross  examination  on  the  assumption  that   "the  medical
findings were genuine"[124]. The concessions made  by  the  defence  experts
would, in all probability, not have been  made  if  Dr  Williams'  part  and
purpose in the non disclosure had been appreciated by those involved.
 
 
Similarly  little  weight  can  be  given  to  the   prosecution   list   of
similarities[125] if the fresh evidence is or may be credible. The  critical
similarities of "previous abuse" and "deliberate injury" or  "recent  abuse"
can only be safely relied upon if the Court is satisfied  that  Dr  Williams
is competent and honest and that the  bleeding  observed  cannot  have  been
caused by staphylococcus aureus.
 
 
In addition the prosecution give considerable  currency  to  the  'hallmark'
features of infant  killing  identified  by  Professor  Meadow.  It  is  not
accepted that such evidence is admissible. The evidence does not qualify  as
expert evidence. The subject matter  of  the  opinion  is  not  such  as  to
require special assistance to be given to the jury. It consist  of  no  more
than a list of commonplace  features  that  a  jury  would  not  need   help
with[126]. A jury does not need Professor Meadow to tell them, for  example,
that inconsistent accounts from parents or the previous abuse of a child  or
the child being well immediately before it  died  may  all  be  relevant  in
deciding whether a child  has been murdered by a parent.
 
 
Even the subject falls within  the  class  of  subjects  upon  which  expert
testimony may be permitted, there  is  no  sufficiently  organised  body  of
knowledge or research  that  ensures  that  any  opinion  expressed  on  the
subject is reliable. The body of knowledge relied upon by  Professor  Meadow
was no more than his own experience over 20 years. However  almost  none  of
the underlying materials or data upon which Professor  Meadow's  opinion  in
based is  now  available.  Access  to  the  material  was  requested  before
trial[127]. The request  was  denied.   Professor  Meadow  claimed  to  have
destroyed the majority of the information on  which  his  published  results
were  based[128].  It  is  therefore  impossible  to  examine  the   claimed
scientific basis for his opinions.
 
 
The destruction of the material would also clearly render the  admission  of
the opinion unfair, even if it was strictly admissible.
 
 
                                   Retrial
 
 
There is now clear and compelling evidence in  favour  of  proposition  that
Harry died a natural death. There are a series of reports (above and  beyond
the evidence to be called on  appeal)  that  demonstrate  that  there  is  a
substantial and  highly  respectable  body  of  national  and  international
medical opinion that considers  Harry  died  as  a  result  of  overwhelming
staphylococcus aureus infection[129].
 
 
The alternative case on shaking or smothering is substantially  weakened  by
the existence of an explanation for the acknowledged bleeding and  petechiae
observed at post mortem. The case on shaking  is  further  weakened  by  the
complete absence of any of the classic signs of shaken baby  syndrome  (such
as axonal damage) and the inability of any expert to describe the  mechanics
of the trauma suggested by the prosecution.
 
 
The case against Christopher is equally diminished. His cause of  the  death
has always been in doubt. Death was originally unequivocally ascribed  to  a
natural cause by Dr Williams. The prosecution experts,  save  for  Williams,
have gone no further than saying the cause is still unascertained[130].  The
defence have similarly concluded that the cause  is  unascertained  and  the
further experts consulted since  the  convictions  support  that  view[131].
Professor David, the independent court appointed expert, has suggested  that
death might have been caused by acute idiopathic  pulmonary  haemosiderosis.
Only  Dr  Williams  has  been  willing  to  confidently  ascribe  death   to
smothering.
 
 
Dr Gullino has concluded that acute idiopathic pulmonary  haemosiderosis  is
a reasonable possibility and has also pointed to  the  growing  support  for
Professor  David's  independent  diagnosis  of  that  condition.  No   other
diagnosis fits the findings  and  explains  the  now  accepted  evidence  of
Stephen Clark that Christopher suffered a spontaneous nose bleed  from  both
nostrils whilst in his sole care in London two weeks before  his  death.  On
the face of the totality of the medical evidence it is  submitted  that  the
case on Christopher would not get past the close of  the  prosecution  case.
It would certainly not end in a conviction.
 
 
The time has come to  draw  a  line  under  these  deaths.  It  requires  no
imagination to  appreciate  that  devastation  that  the  deaths  and  these
proceedings have already caused in the Clark family. As lawyers it  is  easy
to understand the professional disgrace that has befallen  Sally  Clark  (as
well as  the  vilification  of  her  husband  for  standing  by  her).  More
poignantly it has led to (name), their surviving child, reaching the age of 4
barely knowing his mother.
 
 
Sally Clark has completed 3 years of sentence of life  imprisonment  with  a
recommended tariff of 15 years and  has  had  to  mourn  the  death  of  her
children whilst being held out to be their murderer.
 
 
The lives of the family have been laid waste by  the  seeming  certainty  of
doctors where certainty was not justified.
 
 
It is impossible to  carry  out  further  tests  to  determine  the  various
hypotheses that have now emerged as to the cause  of  Harry's  death.  Harry
was cremated after the defence experts advised that (on  the  material  then
know to them) all the appropriate tests  had been  carried.  There  are  now
only a limited range of medical samples available.
 
 
This situation is due to the non disclosure, coupled with the failure of  Dr
Williams to undertake sufficient routine dissection and  histology[132].  It
cannot be right to have a murder trial where the central issue, namely  what
caused the death of