

Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect.
Created by: Yotam Guendelman, Ari Pines
Network: Netflix

Jeff Flock
Self - Reporter, CNN

James Lewis
Self - Tylenol Murder Suspect

Michelle Rosen
Self - Daughter of Victim

Tyrone Fahner
Self - Illinois Attorney General

Mary Kellerman
Self - Tylenol Poisoning Victim

Richard Brzeczek
Self - Superintendent - Chicago Police

Gardiner Harris
Self - Author, No More Tears: The Dark Secrets of Johnson & Johnson