The three-part documentary re-examines the case that turned an over-the-counter drug into a murderous threat, and led to important reforms in the packaging of medication.
Read on to learn more about the case.
What were the Tylenol murders?
The only common factor between the victims was that they had consumed Tylenol capsules that were laced with lethal doses of potassium cyanide, sending a panic across the country and one of the largest criminal investigations in US history.
The following day, another six people consumed the contaminated product - Adam Janus (27), Stanley Janus (25), Theresa Janus (20), Mary McFarland (31), Paula Prince (35) and Mary Reiner (27) - who all subsequently died.
Tylenol's manufacturer Johnson & Johnson was praised for its response to the case, agreeing to pay an undisclosed sum to the families of the victims.
As of 2025, no one has been charged or convicted of the poisonings.
Who was James William Lewis?
However, Lewis was in fact not responsible and was convicted for extortion.
Lewis died at 76 years old in 2023, with his cause of death "not suspicious".
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