Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect. Watch on Netflix: https://www.netflix.com/title/81757970 About Netflix: Netflix is one of the world's leading entertainment services, with over 300 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. Cold Case: The Tylenol Murders | Official Trailer | Netflix https://www.youtube.com/@Netflix