People are dropping left and right around Illinois in the 1980's. When investigators looked deeper into their deaths, they all have one thing in common: Tylenol. Someone is poisoning people with cyanide via pain medication, but who and why?

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The Abyss is hosted by Brittany Wilson and Hallie Burrell. "Envision" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 4.0 License. http://creativecommons.org/licenses/by/4.0/