Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect.
Self - Reporter, CNN
Jeff Flock
Self - Tylenol Murder Suspect
James Lewis
Self - Daughter of Victim
Michelle Rosen
Self - Illinois Attorney General
Tyrone Fahner
Self - Tylenol Poisoning Victim
Mary Kellerman
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