The trial of Kouri Richins lasted three weeks, had forty-two witnesses, and only three hours of deliberation before she was found guilty of murdering her husband, Eric Richins using a drink laced with enough fentanyl to kill him five times over.

The Case That Shocked the Nation What happens when a grieving widow publishes a children's book about loss — and turns out to be the reason her children lost their father? Welcome to one of the most chilling and audacious true crime cases in recent American history: the story of Kouri Richins , a Utah mother of three who was convicted on March 16, 2026, of murdering her husband Eric Richins  with a lethal dose of fentanyl — and then had the nerve to write a book about grief.