Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect.
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E1Pain Killer
After cyanide-laced Tylenol kills multiple people across Chicago, police and the media scramble to spread a nationwide warning.
E2The Bitter Pill
A key suspect maintains his innocence, even as authorities discover his suspicious past and possible motive. Tylenol unveils new triple-seal packaging.
E3Sealed for Your Protection
Decades after the murders, a victim's daughter searches for justice — and uncovers forgotten evidence that supports a controversial theory.
Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect.
Genres: Crime, Documentary
Cast: Jeff Flock, James Lewis, Michelle Rosen, Tyrone Fahner, Mary Kellerman
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