Cold Case Season 4 Episode 7“The Key”

CBS · S4E7 · Aired November 5, 2006 · 60 min · ★ 7.8/10

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. The probe reveals the victim died two months after attending a key party she left with a neighbor, a man with whom she had an affair.

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