Cold Case: The Tylenol Murders (2025) is a Documentary, Crime series that follows who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect. Currently, you can watch Cold Case: The Tylenol Murders on Netflix, Netflix Standard with Ads. Streaming availability may vary by country and platform over time. It has a user rating of 6.8 out of 10 from 28 votes. Fans of documentary series may also want to explore similar titles below.