Mike covered the subject very well in this thread
Case could turn on AK1 blood from rabbits.
But don’t think he covered where the human protein that swayed the blood experts view could have come from
But if the silencer was new then it probably would never have been cleaned ?
AK 1 as the expert says is found in ALL humans - and another substance called AK1 is found in rabbits - although AK 1 and AK1 are actually different they share 95% similarities - he does state that in his opinion it is possible they may have been confused but unlikely ...
He also says "It should also be noted that the blood flake gave a positive result in a test for human proteins and other enzyme typing tests gave typically human results."
So he thinks it is very likely that some of the blood/dna found inside the silencer was human ...
BUT as posted above he believes it might well have come from lab contamination - not blood splatter ...
He also says that "Whether one focuses on the possible presence of June Bamber's DNA or the possible presence of Sheila Caffell's DNA, the DNA profiling results were not reliable evidence to point to the source or sources of the blood found in the sound moderator in 1986."
Another expert stated that she thought it slightly more likely that the blood/dna came from Sheila - but as the Appeal Court Judges said her reasoning and unsureness on this point meant that :
"Miss G's views and whilst recognising the possible validity of the point that she made, felt that it was unsafe to draw any such conclusion. Whilst we recognise that there may very well be merit in Miss G's evidence in this regard, we doubt very much whether a jury would have been prepared to place any significant reliance upon