The court of trial (October, 1986), and the court of appeal (2002) were 'wrong' to proceed on the footing that the basic blood group results (A, EAP BA, AK1 and HP 2-1) were unique and exclusive to Sheila Caffell. The blood group results relied upon served to deceive the court into accepting the premis' that it could only have been her blood, but this was not true, and is not true. The fact of the matter is that the results produced could just as easily have come from a 'third party' to the proceedings, contrary to what the trial judge, Mr Justice Drake, told the jury in his summing up speech, when he told the jury emphatically that there was 'no evidence that a third party could have been involved in the shootings', the killer had to be either Jeremy, or Sheila. But, because the blood group results that were obtained from the flake were by scientific standards 'inconclusive', they lend support to the likelihood that there had been a third party involvement in the killings, and that person could not possibly have been Jeremy Bamber, because he did not share those same 'basic blood group features' found inside the silencer...