SC's found position is entirely consistent with her as perp
Not entirely consistent, it can't be proved one way or another from her found position
There's no reason that she would have any visible debris on her hands and/or feet.
yes there is, her majesty versus bamber, appendix 33
The rifle was simple to operate, certainly less complex than many everyday items SC would have handled
which items that she handled every day would she find more complex to operate than a gun she wasn't familiar with. Apart from that odd time when jeremy tried to get her to load bullets into the magazine? she was not able to do it, Mr Boutflour said
and she had been around firearms and shooters all her life. Even in adult life she went beating
Colin Caffell, the Eatons and the Boutflours all actually knew Sheila from real life and confirmed that the suggestion that Sheila might have used the Anschutz as laughable. At a stretch they could imagine her picking up the shotgun, and we all know what the result of that would have been from Myster's graphic.