Jeanna Kellerman News Today

Seven people died after taking poisoned Tylenol in 1982, and though no one was ever charged in the killings, packaging for over-the-counter medicine across the industry was revamped.

In the fall of 1982, eight bottles of Tylenol in the Chicago area were found to be tainted with potassium cyanide. Five of those bottles caused seven fatalities, and testing identified three other poisoned bottles that were turned in to authorities or discovered on pharmacy shelves.Here’s what we know about each bottle.

Forty years after the 1982 Tylenol murders, the Chicago Tribune launched an in-depth investigation into why the case has never been solved. Read the six-part series.

Cyanide-laced Tylenol took seven lives in the Chicago area in 1982. Here are short bios of each victim and a timeline of the deaths.