Definitions for "1982 Chicago Tylenol murders"
The Tylenol murders occurred in the autumn of 1982, when seven people in the Chicago area in the United States died after ingesting Extra Strength Tylenol medicine capsules which had been laced with cyanide poison. This incident was the first known case of death caused by deliberate product tampering. The perpetrator has never been caught, but the incident led to reforms in the packaging of over-the-counter substance and federal anti-tampering laws.