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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.
3 Episodes
as Self - Reporter, CNN
as Self - Tylenol Murder Suspect
as Self - Daughter of Victim
as Self - Illinois Attorney General
2023
2018
2024
2012
2025
2018
2020
2015
2016
2008
2013
2006
1994
