Tesko files:-
Ballistics expert, Malcolm Fletcher, said, "that the blood arrived in the sound moderator because Hayward (blood expert) said it was Sheila's blood". Hayward, on the other hand said, "it was Sheila's blood and not a mixture because Fletcher said only her wound was capable of causing backspatter coupled with no AK 2-1"..
Contents of a letter addressed to me, from Jeremy, which covers this point:-