The first victims of the Chicago Tylenol Murders

September 29, 1982 Chicago, Illinois The first two victims of the Chicago Tylenol Murders are killed Beginning on September 29, random victims began dying after ingesting potassium cyanide-laced extra-strength Tylenol pills. The first victim was 12-year-old Mary Kellerman; six more would follow her to the grave. During investigations, it was determined each tainted bottle had…