

Release
26 May 2025Country
Language
EnglishProduction

Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect.
It explores 1980s Chicago deaths from cyanide-laced Tylenol capsules. The case led to tamper-proof packaging and became one of America's largest criminal investigations.
After cyanide-laced Tylenol kills multiple people across Chicago, police and the media scramble to spread a nationwide warning.
3 episodes