A Utah woman was convicted on Monday of aggravated murder after poisoning her husband with fentanyl and self-publishing a children’s book about coping with grief. Prosecutors said Kouri Richins slipped five times the lethal dose of the synthetic opioid into a cocktail that her husband Eric Richins drank in March 2022 at their home outside the affluent ski town of Park City. They said she was US$4.5 million in debt and falsely believed that when her husband died, she would inherit his estate...