The man once known only as the "Unknown Wanderer" in Boise now has a name—and a curious tie to one of the country's most infamous unsolved crimes, CBS News reports. Idaho investigators say the man found dead by cyanide in a Boise church in December 1982 has been identified via DNA as Dr. Mathew Francis Betkouski, a chemist with a long-standing obsession with poisons. While authorities aren't formally tying him to Chicago's 1982 "Tylenol Murders," in which seven people were killed by cyanide-laced Tylenol, investigators have revealed evidence that appears to possibly link him to the cold case. He had a history of working in drugstores, and colleagues recalled him having a fascination with carrying out the "perfect crime," the AP reports.
Betkouski's belongings included a bottle of homemade cyanide with a handwritten label, a hand-drawn Chicago map, and photos of him in the Chicago area. But police cautioned they can't place him in Chicago during the crucial late-September window, and stress he is not a suspect. Chicago police and the FBI say the Tylenol case remains open, with no substantiated new culprit. The prime suspect in the case for years, James Lewis, who wrote an extortion letter to Johnson & Johnson demanding $1 million if the company wanted the poisonings to stop, was never charged in the murders and died in 2023. ABC 7 reports the murders led to a recall of the painkiller and ultimately ushered in tamper-proof caps for medication bottles.
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