Criminal Minds promo pic: "Our Darkest Hour" -- Agent Reid (Matthew Gray Gubler) works with the rest of the BAU team 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
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