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Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect.
Yotam Guendelman
Netflix
3
After cyanide-laced Tylenol kills multiple people across Chicago, police and the media scramble to spread a nationwide warning.
May 26, 2025
A key suspect maintains his innocence, even as authorities discover his suspicious past and possible motive. Tylenol unveils new triple-seal packaging.
May 26, 2025
Decades after the murders, a victim's daughter searches for justice — and uncovers forgotten evidence that supports a controversial theory.
May 26, 2025
Self - Reporter, CNN
Self - Tylenol Murder Suspect
Self - Daughter of Victim
Self - Illinois Attorney General
