Tylenol murders
The Tylenol murders refer to a series of tragic incidents that began on September 29, 1982, when four individuals in Chicago died after suffering from cyanide poisoning linked to Extra Strength Tylenol capsules. Subsequent investigations revealed that the capsules contained an extraordinarily lethal dose of cyanide, raising concerns about product safety and consumer protection. In response to the emerging crisis, the manufacturers, McNeil Consumer Products and Johnson & Johnson, initiated a large-scale recall of the product to mitigate damage to their reputation.
The situation escalated as additional cases of poisoning were reported, leading to widespread panic and overwhelming hospitals with patients exhibiting symptoms of cyanide poisoning. Investigators focused on two primary suspects, but neither was conclusively tied to the murders. The mystery surrounding the identity of the perpetrator remains unsolved to this day.
In the aftermath, the Tylenol murders prompted significant legislative changes, including the Federal Anti-Tampering Act, designed to enhance consumer safety and deter product tampering. This tragic event not only reshaped regulations surrounding over-the-counter drugs but also left a lasting impact on public perceptions of product safety.
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Tylenol murders
The Event Tylenol capsules are poisoned with cyanide, resulting in seven deaths
Date September, 1982
Place Chicago, Illinois
The Tylenol murders pressured Congress and the Food and Drug Administration to enact federal laws regulating over-the-counter medications and requiring tamper-resistant packaging.
On September 29, 1982, four people in Chicago were hospitalized for similar symptoms that ultimately led to their deaths. Analysis of blood samples indicated that all four deaths were the result of cyanide poisoning. Investigation determined that all four deaths also resulted from the use of Extra Strength Tylenol capsules. Further lab analysis revealed that the capsules contained approximately sixty-five milligrams of cyanide poison, more than ten thousand times the amount needed kill a single individual.
![Open bottles of Extra Strength Tylenol and Extra Strength Tylenol PM. By Ragesoss (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0-2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons 89103175-51112.jpg](https://imageserver.ebscohost.com/img/embimages/ers/sp/embedded/89103175-51112.jpg?ephost1=dGJyMNHX8kSepq84xNvgOLCmsE2epq5Srqa4SK6WxWXS)
In an attempt to save the reputation of Tylenol, as well as their own, the companies that produced the product, McNeil Consumer Products and Johnson & Johnson, issued a recall. Questions remained, however, concerning whether the poison was added before or after the product was sold. Prior to the recall, three more citizens in the Chicago area were found dead as a result of poisoned Tylenol capsules. These well-publicized deaths produced a nationwide fear that overwhelmed hospitals and medical providers, who provided care for many patients with suspected cyanide poisoning symptoms. Federal investigations concluded the deaths were most likely the result of a lone individual who implanted cyanide poison into the bottles and then returned them back to store shelves to be sold.
Investigators had two primary suspects. The first suspect was an employee at a Tylenol warehouse from which two of the poisoned bottles were shipped. He was an amateur chemist, and searches of his residence found research on the methods of killing people with poisoned capsules. The evidence was inconclusive, however, and the suspect was not charged. The second suspect, James W. Lewis, was pursued after he mailed a handwritten letter to Johnson & Johnson claiming that the murders would continue until the company paid him one million dollars. Further investigation concluded that Lewis was not the murderer, but only a con artist. No further leads presented themselves, and the Tylenol murderer was never identified.
Impact
Congress responded to the Tylenol murders by passing the Federal Anti-Tampering Act, which President Ronald Reagan signed into law in October, 1983. This law made tampering with consumer products a federal offense. In February of 1989, the Food and Drug Administration increased the tamper-resistant requirements for over-the-counter human drug products. All hard gelatin products were required to have two forms of tamper-resistant packaging. The publicity surrounding the Tylenol murders influenced copycat killers throughout the United States.
Bibliography
Beck, Melinda, and Susan Agrest. “Again, a Tylenol Killer.” Newsweek, February 24, 1986, 25.
Beck, Melinda, Sylvester Monroe, and Jerry Buckley. “Tylenol: Many Leads, No Arrests.” Newsweek, October 25, 1982, 30.
Wolnik, K. A., et al. “The Tylenol Tampering Incident: Tracing the Source.” Analytical Chemistry 56 (1984): 466.