Criminal Minds Season 4, Episode 25 : To Hell...and Back (1)

About Criminal Minds Season 4, Episode 25 : To Hell...and Back (1)

In one of its most difficult cases, the BAU is called to Detroit to help track down a serial killer who is killing homeless people who forces the team into Canada to catch him. Loosely based on Robert Pickton. Guest Stars: C. Thomas Howell, Willam Belli, John Lacy, Rowena King, Garret Dillahunt, Sharif Atkins, Vernee Watson-Johnson, Jessie T. Usher, Lily Kershaw, Paul Rae,