Criminal Minds: "Our Darkest Hour" -- Agents Hotchner (Thomas Gibson, front left) and Rossi (Joe Mantegna, front right) work with Los Angeles Detectives Spicer (Eric Close, back left) and Kurzbard (Robert Davi, back right) to find a serial killer who preys on his victims in the dark, the fifth season finale cliffhanger of CRIMINAL MINDS, Wednesday, May 26 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2010 CBS Broadcasting Inc. All Rights Reserved.