History's Greatest Mysteries

9:00 AM to 10:00 AM

Thursday 21 November

The Chicago Tylenol Murders

Season 3

The Chicago Tylenol Murders, a series of poisoning deaths resulting from drug tampering in the Chicago metropolitan area in 1982. To this day, what happened is a mystery

History's Greatest Mysteries airs on Sky History 2 at 9:00 AM, Thursday 21 November.

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History