History's Greatest Mysteries

Name: 12:05am - Series 3 Episode 12
Start: 2025-03-30T23:05:00Z
End: 2025-03-31T00:00:00Z
Location: Blaze (Freeview)

Series 3 Episode 12: The Chicago Tylenol Murders

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; forty years later, it remains an active FBI investigation.