What Year Was The Tylenol Tampering?
What Year Was The Tylenol Tampering? In 1982, someone tampered with capsules of Extra-Strength Tylenol, turning them lethal with potassium cyanide. Seven people in the Chicago area died. Copycat attacks around the country caused several more deaths. Who laced Tylenol with cyanide? It was then that Mary Kellerman, a 12-year-old girl from Elk Grove Village,