I don't think shot under chin could have produced Backspatter into a silencer
I think everyone has been misled about the claim that blood from Sheila got into the silencer at the time she was shot, and killed in the bedroom. The track / path of the bullet passed through the base of her mouth, and up into the roof of her mouth and ended up in her brain. The fact that the bullet entered into the void of her mouth, would have restricted the amount of back pressure required for any blood and human tissue to be forced back into the end of the silencer by a process of backspatter - blood which dripped out from the corners of her mouth is evidence of this...
You said in another thread that the blood stayed in her mouth until the police moved her ...
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You need a bullet to enter into the flesh, and a track or path taken by that bullet, followed by the blast and gases into the wound behind the bullet, until the bullet comes to a stop, and the blast and gases have nowhere to go, so they are forced backwards back out of the track / path and out through the entry wound - into the silencer, if one was fitted at the time the fatal shot under the chin took place...
Stop trying to twist my words - the mouth of the victim would not instantaneously fill the void of the mouth at the instant the bullet was fired under the chin, which penetrated the base of the mouth, and then the roof of the mouth, and on and upwards into the brain. What I am saying is that the position and location of the entry wound under the chin, and the path taken by the bullet, is not conducive to the suggestion of backspatter having occurred in this case, contrary to what was alleged a part of the prosecutions case...