History's Greatest Mysteries Season 3 Episode 12 - The Chicago Tylenol Murders

Airdate: 2022-May-16

Episode summary:

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.

About History's Greatest Mysteries series:

History's Greatest Mysteries will investigate a wide range of historically compelling topics and the mysteries surrounding each including the ...Show more >