For forty-four years, a man who died of cyanide poisoning in a Boise church carried no name — only silence. Now identified as Dr. Mathew Francis Betkouski, an organic chemist with a documented fascination with poison, his emergence from anonymity has cast a long shadow back toward Chicago in 1982, where seven people died in the most notorious product-tampering case America has ever known. The dead, it seems, do not always stay quiet; sometimes they return, decades later, carrying questions that the living are only beginning to know how to ask.
Decades-old 'Unknown Wanderer' ID raises fresh questions about unsolved Tylenol murders
Seven people died in the 1982 Chicago Tylenol poisoning case; the identified man died of cyanide poisoning in 1982.