Boise's "Unknown Wanderer" is identified after 43 years. Could he be linked to Chicago Tylenol murders?

Key Points:

• Boise police have identified the "Unknown Wanderer," a man found dead in 1982, as Dr. Mathew Francis Betkouski, who had a history of mental illness and a fascination with poisons, but they do not name him a suspect in the Chicago Tylenol murders.
• Betkouski was found with items linking him to Chicago, including a hand-drawn map and a bottle of homemade cyanide, though police cannot place him in Chicago during the week of the Tylenol poisonings in September 1982.
• The Chicago Tylenol murders resulted in seven deaths from cyanide-laced capsules in late September 1982, sparking a nationwide panic and a large-scale investigation that remains unsolved.
• Authorities emphasize that while Betkouski’s death by cyanide poisoning three months after the Tylenol murders raises questions, there is no conclusive evidence tying him directly to the Chicago case, and investigations continue collaboratively between Boise and Chicago police.
• The prime suspect for the Tylenol murders had long been James Lewis, who was convicted of extortion related to the case but never charged with the murders themselves; the case remains an open cold case with ongoing appeals for public assistance.