
Idaho cold case solved: 1982 'Unknown Wanderer' identified as chemist Betkouski, possible Tylenol link
Ada County Sheriff's Office identified the 1982 'Unknown Wanderer' as Dr. Mathew Francis Betkouski, an organic chemist who died by cyanide suicide in Boise. Investigators believe he may be linked to the unsolved 1982 Chicago Tylenol murders, though they have not formally named him a suspect.




