sentences:  As he searches the dark rooms using his camera's flash, the puppet's eerie laugh rings through the apartment, and Adam hits it with a bat until it stops.When Detectives David Tapp and Steven Sing discover Jigsaw's latest hideout, they remove blankets from several covered items, one of which is Billy.In "Saw II", Billy is seen on the screen at the beginning of the film, giving Michael hints about the death mask he is wearing.