Watch Cold Case: The Tylenol Murders (2025) Series Online Free

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1. Pain Killer

After cyanide-laced Tylenol kills multiple people across Chicago, police and the media scramble to spread a nationwide warning.

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E2 39 min

2. The Bitter Pill

A key suspect maintains his innocence, even as authorities discover his suspicious past and possible motive. Tylenol unveils new triple-seal packaging.

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E3 37 min

3. Sealed for Your Protection

Decades after the murders, a victim's daughter searches for justice — and uncovers forgotten evidence that supports a controversial theory.

Cold Case: The Tylenol Murders (2025)

6.8 (34) 1 Season 2025-05-26 US

Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect.

Genres: Documentary, Crime

Stars: Jeff Flock, James Lewis, Michelle Rosen, Tyrone Fahner, Mary Kellerman