Badge of Betrayal

Badge of Betrayal refers to episode 18 of the Season 9 of the television series Forensic Files which was broadcast for the first time on September 22, 2004.

Plot summary
The body of a young California co-ed was found under an isolated ramp of the Interstate, and San Diego police had no idea who would want this girl dead.

But their questions would be answered when they discovered a tiny, unique fiber on the victim's clothing, which led them straight to the most unlikely of killers.