Idaho cold case may be tied to unsolved 1982 Tylenol murders, authorities say
Idaho officials say man found dead in a church decades ago may be tied to unsolved poisonings in Chicago area in 1982

TL;DR
- A man found dead in an Idaho church decades ago, identified as Dr. Mathew Francis Betkouski, may be connected to the 1982 Tylenol murders in Chicago.
- Betkouski died by cyanide poisoning over 40 years ago and was buried anonymously.
- Investigators believe Betkouski might be a suspect in the killings of seven people with cyanide-laced Tylenol.
- Betkouski had a history of volatility and was fascinated by the idea of a 'perfect crime.'
- Cyanide was found in Betkouski's desk, though it was a different compound than that used in the 1982 killings.
- James Lewis, previously considered a suspect, died in 2023 after serving time for extortion related to the Tylenol murders.
- The Chicago police department is cooperating with Idaho authorities to investigate the potential connection.