Photo: Michael Yarish/CBS ©2009 CBS Broadcasting Inc. All Rights Reserved.
Criminal Minds: "To Hell...And Back" - Agent Rossi (Joe Mantegna, left), Agent Hotchner (Thomas Gibson, right) and the BAU track a serial killer who chooses junkies, prostitutes and the homeless off the streets of Detroit as his victims and takes them across the border into Canada, and an agent's life is in peril, on the two-hour, fourth season finale event of CRIMINAL MINDS, Wednesday, May 20 (8:00-10:00 PM, ET/PT) on the CBS Television Network.