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A Las Vegas native and a chemistry major from UNLV, Brown is an audio/visual analyst. Warrick is also a recovering gambling addict which is hindered by the fact he works in Las Vegas. He was in fact gambling when new CSI Holly Gribbs was killed at a scene in CSI's first episode, and almost lost his job because of not being with her at the time. Grissom's friendship and support has helped him a great deal in overcoming his addiction. Warrick seemingly goes thru life with a bit of a chip on his shoulder, rarely smiling, though he does have a deep affection for his hometown and uses his experience as a former gambler and casino runner in his investigations. Warrick was married in season five.C11

(wikipedia.org)