CSI: Crime Scene Investigation - Season 4 Episode 17
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A mutilated female body is discovered tied to the undercarriage of a bus carrying prisoners from a womens correctional facility after a severed arm flies out from beneath the vehicle and strikes a car. Catherine leads the investigation and at first believes the woman was escaping, but the evidence increasingly points to murder. Back in town, Warrick probes the death of a gambler who was stabbed multiple times in his brothers kitchen.