They took capsules from a bottle of Extra Strength Tylenol on Adam’s counter. Within minutes, shocked relatives called an ambulance after the couple collapsed. Stanley died on September 29 and his wife died on October 1.
Alert paramedics quickly put two and two together, and toxicology tests soon showed that the Januses had all been dosed with deadly cyanide – the first case of fatal tampering with products in history.
When the FBI joined the investigation, the death toll continued to rise in early October Mary Rainier27, from Winfield, died after ingesting a Tylenol capsule laced with cyanide.
Around the same time, Paul Princea 35-year-old flight attendant, and Mary MacFarland35, both from a Chicago suburb, were found dead in their homes.