History's Greatest Mysteries S3E12: The Chicago Tylenol Murders
- Aired: 2022-05-16
- Time: 21:00:00
- Runtime: 62 minutes
Overview
A series of unexplained deaths near Chicago in 1982 starts a nationwide panic; the victims are connected by one frightening detail: cyanide-tainted capsules of Extra-Strength Tylenol; 40 years later, it remains an active FBI investigation.