In October of 1982, Tylenol, the leading pain-killer in the United States at the time faced a crisis. Seven people in Chicago were reported dead after taking Tylenol. 12-year-old Mary Kellerdman of Elk Grove Village, Illinois, Adam Janus of Arlington Heights, Illinois, his brother Stanley Janus, and his wife Theresa Janus, Mary Reiner of Winfield, Paula Price, and Mary McFarland of Elmhurst Illinois was the last victim of the cyanide-laced Tylenol capsules. This happened bﴱᄃecause there was Extra-Strength Tylenol capsules that had been distributed and tampered with. The capsules contained 65 milligrams of cyanide. The amount necessary to kill a human is five to seven micrograms, which means that the person used 10,000 times more poison that what was needed.. The tampering had occurred when the products reached the shelves. The connection between the deaths and the Tylenol was discovered within days by two off-duty firemen...