“Valhalla” — Prentiss (Paget Brewster) and Morgan (Shemar Moore) help the BAU investigate a series of suspicious murders, as Prentiss suspects her old Interpol nemesis as the culprit and fears for the safety of her BAU team as he closes in on her, on CRIMINAL MINDS, Wednesday, March 2 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo: Adam Larkey/CBS ©2011 ABC Studios. All Right Reserved.