It doesn't! Both pathologists have SC sitting partially upright. First respondent A/PS Woodcock found SC's head slightly raised against the bedside cabinet. SC was interfered with after first respondents entered evidenced by soc images showing her head flat to the floor. Forensic scientist Martyn Ismail gave evidence that following the second gsw SC's head would have fallen back against the bedside cabinet and he went to say she was pulled by her feet and her head fell flat to the floor. It was the movement of her head that caused dislodged blood pooled in the back of her throat to trail from the sides of her mouth. Gsw's cause bleeding internally and externally.
I don't think you can put too much store in the single line of a single witness statement of Woodcock corroborating anything Holly.
After all, the surgeon and 5 other officers failed to note the two gunshot wounds properly in theirs.
One officer wrote that Sheila was "on the left hand side of the bed" and a whole scenario was constructed by the Bamberloons where she was actually
on the bed. Mike T has even seen the photo but JB got cross with him because it was the only copy and it got lost when he mailed it to the prison ( probably confiscated by MI5 )
The most likely person to have moved her body is Bamber - There is a reason Ismail was called by the prosecution.