Idaho Cold Case Points to Possible Suspect in 1982 Tylenol Killings

Idaho investigators named Dr. Mathew Francis Betkouski as a possible suspect in the 1982 Chicago-area deaths of seven people from cyanide-laced Tylenol. Betkouski was found dead from cyanide in a Boise church that December. Chicago police say they are in contact with Idaho. No one was charged; the case remains open.