Who Did the Tylenol Poisoning
The 1982 Chicago Tylenol poisoning was carried out by an individual who placed cyanide into Extra-Strength Tylenol capsules. Seven people died after consuming the tampered products. The case remains officially unsolved, and no one has been convicted.
Law enforcement identified several persons of interest, including James William Lewis, who was convicted of extortion related to the case. He was never charged with the murders. Other suspects were investigated, but prosecutors did not bring murder charges against them.
Investigators focused on tampering at retail shelves and during manufacturing. The FBI and local police reviewed production records, witness statements, and extortion letters. No evidence linked the poisoning to a single employee or a single company employee action.
In response, Johnson & Johnson recalled Tylenol products nationwide and introduced tamper-evident packaging. The case led to federal anti-tampering laws and changed consumer product safety standards across the industry. The FBI continues to accept tips on the case through its website.
