Police sought to put both of the shots sustained by Sheila into the same event inside the bedroom, but it simply doesn't fit well at all, because of the fact that different weapons fired one of the shots, and the contradictory angles of the shots, if inflicted one after the other. Was she stood up, sat up, bent over, laid down, when the two shots followed one after the other? Or, was she stood up, then fell back after to shoot herself under the chin - or any combination of any position that ended up with Sheila in the position as was photographed by PC Bird from 10am, onward...
It doesn't work whichever way you try to reconstruct the two shots, Because The transition of her arms and hands with the swing of the rifle ending up where it did in different places on her body, or against her throat, just cannot be reconciled with her having shot herself using the same gun, with a sound moderator on one, and it not on at the time of the second shot...