Cold Case Files — Episode 14: Weepy-Voiced Killer/The Mr. Big Sting

You are watching the episode Weepy-Voiced Killer/The Mr. Big Sting A prostitute who fights off a screwdriver-wielding man helps police track down a serial killer; and undercover agents acting as mobsters conduct an elaborate sting to solve a murder case that had gone cold for years. Then, detectives from three different police departments in Westchester County, New York team up to track down a serial killer.