LIE TO ME Killer App (8) # 125180

LIE TO ME: Lightman (Tim Roth, C) investigates the murder of a young executive of a social-networking website in “Killer App,” the season finale episode of LIE TO ME airing Monday, Jan. 31 (9:00-10:00 PM ET/PT) on FOX. ©2011 Fox Broadcasting Co. CR: Patrick Wymore/FOX