Saw II (2005)

Saw II is a 2005 horror film, and the sequel to the 2004 Saw.The film features the antagonist of the previous film, the Jigsaw Killer, finally being apprehended, but trapping the arresting officer in one of his own games while showing another "game" of eight people in progress at the same time. It also explores the character's back story, explaining why he became a serial killer.