Forensic Files - Season 7 Episode 19 Sip of Sins No Witnesses. No Leads. No Problem.
Overview: A look back at a trio of unsolved murders that occurred in Wichita Falls, Texas during the 1980s, details how a fourth murder from the same time period provided the police with more than they realized. John Little, an investigator for the DA's office, picked up the cold cases years later and made a connection to the other murders.