In Saw 4, Art is a lawyer involved in a housing development project with John Kramer and Jill Tuck before the events that would turn John into Jigsaw. Art is targeted by Jigsaw for successfully defending guilty people in his role as lawyer, including Brenda (a pimp), Ivan (a rapist) and Rex (an abusive husband).
But why was Art Blankin tested two times? I mean he passed one test then he should be free, why did Jigsaw shedule a second task for him? It doesn't even fit into trend of assigning series of tasks .