Cold Case Files - Season 2 - Eps 25: A Sealed Fate/Deadly Divorce
A murderer's saliva, found on envelopes that he sealed, helps seal his doom 37 years after his first killing. And Colorado police crack a cold case 24 years later when they take a DNA sample from the victim's son that proves that his father murdered his mother.
About Cold Case Files

Title: Cold Case Files
First Air Date: 1999-01-01
Last Air Date: 2006-12-31
Status: Ended
Rating: 8.452/10 (from 31 votes)
Language: EN
Seasons: 5
Total Episodes: 128
Network: A&E
Genres: Crime, Mystery, Documentary
Production Companies: Kurtis Productions, AMPLE Entertainment, Blumhouse Television
Synopsis
Explore compelling cases that have gone cold for years, chronicling the journeys of the detectives who reopened them. The detectives relive the events of the crimes, reveal new twists and startling revelations, relying on breakthroughs in forensic technology and the influence of social media to help crack these cases.
Cast

Bill Kurtis
Narrator (voice)