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Saw V - timeline
Seth Baxter is sent to prison for murdering his girlfriend Angelina Acomb, younger sister of Mark Hoffman.
Seth is released from prison due to a technicality. Mark Hoffman puts him in an inescapable pendulum trap made to look like a Jigsaw trap.
April: Jigsaw and Hoffman kidnap Paul Leahy and put him in a basement where he must pass through the razor-wire maze.
May: Hoffman places Dr. Gordon's penlight at the scene of Mark Wilson's death.
April: Jigsaw and Hoffman set up the nerve gas house.
Saturday 21st October: Agent Strahm gives himself a tracheotomy to survive a glass box filled with water. Hoffman brings Corbet out of the Gideon.