Cold Case

Season 4, Episode 7

Episode Title: The Key

Air Date: 2006-11-05

Overview:

The 1979 murder of a schoolteacher who was stabbed to death in a wooded area is reopened when the victim's bloodstained jacket is found stuffed in a tree trunk with a happy-face key chain in a pocket. The case was originally investigated by Jeffries when he was a rookie detective.