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Unsolved September 29, 1982 Multiple Homicide

Chicago Tylenol Murders Victims

Status Unsolved
Type Multiple Homicide
Date September 29, 1982
Location Chicago, Illinois
Victim Age Unknown
Gender Multiple

Seven people in Chicago died after taking cyanide-laced Tylenol capsules in 1982. The deaths prompted a nationwide recall and led to tamper-resistant packaging regulations. James W. Lewis was convicted of extortion related to the case but was never charged with the murders. The killer has never been identified.

poisoning Chicago Illinois unsolved product tampering historical