keep Detectives Matthews and...? ...Hoffman alive so he can use the release button to free themselves after the 90 minutes expired. What was in the file folder under the tape player meant for Art after he killed Trevor? Between the end of his 1st test and the beginning of his 2nd could it be possible that one of Jigsaw's apprentices anesthetized him just before putting on the spine-cutter behind his neck as he attempted to leave the mausoleum?