By moving her right hand to allow the police to photograph the marks on the front lower right of her nightdress, it would not have included having to move the position of the rifle, which in turn changed the position of the nightdress (in the region of the right shoulder, and at the hem), you only have to look at these two pictures to see that this was not just a case of the police moving the victims right hand to look at a mark on her nightdress beneath, the police moved many things, including the right hand, the right arm, the nightdress (above and below) and the rifle...