I haven't just "glossed" over it as you suggest in an attempt to diminish my argument. (1) it was never tested that back spatter did actually occur. It was just assumed that it would have occurred. And (2) Back spatter does not always occur. I will also include a third point here (3) The fact that they also said there was no gun shot residue on Sheila was a deliberate lie as if she was shot at close range and that gun shot residue is emitted from the barrel of the gun then there must have been gunshot residue on her. So the fact that they did not say this but rather said that there was insufficient gun shot residue on her is an indication that they were also wrong on the other observations. If you bother to read up on it yourself and I should assume that you are intelligent enough and actually know this as being fact, that back spatter does not always occur even with a close or contact shot neither does drawback. Why you are not stating this I do not know?
The way you determine whether backspatter would occur in a particular body location is by looking at the attributes of the skin and blood vessels in the location of the wound. That is exactly what the experts did in assessing Sheilas wound would result in backspatter.
In fact the wound was assessed to be a contact wound so it was assessed the backspatter would be drawn into the weapon.
Blood was found in the moderator not the rifle establishing the moderator was attached when the shot was fired.
Atomized blood sprays inside the weapon during drawback. Such occurring in a moderator made of baffles results in the blood being deposited on the initial baffles with the volume decreasing the further the baffles are from the opening. That is exactly what was observed, blood decreasing in volume till no blood was seen.
There is no way that blood could have gotten there naturally except by drawback. The only other way for blood to get there like that is someone to intentionally spray blood inside.
That blood was group A blood lacking an enzyme that should have been present had any of it been June's blood. The flake had an enzyme that Sheila had though. So this suggest the AK1 enzyme deteriorated already in the blood on the baffles but had not done so yet in the flake.
It was all put together in a very logical and scientific manner which is why the defense had no ability to dispute this and still doesn't.
No one who chooses to ignore this evidence has been able to articulate a logical reason to do so let alone has been able to refute the evidence. The reasons are always absurd nonsense about how no human blood was found but rather animal blood was found inside and other rubbish.