>>2906409 pb
She's doing something with both hands prior. The right arm looks to be tucking something behind seat. With a good portion of his right cheek blown out, that is exit not entry, no glass fragments readily apparent.
Thought I read something the other day that Mary Todd did Abe in with a pistol not Boothe.
http://abundanthope.net/pages/True_US_History_108/Mary-Todd-Killed-Lincoln.shtml