A jury found that Kouri Richins killed her husband in March 2022 by poisoning him with a fentanyl-laced drink. A Utah mother who published a children's book about grief after the sudden death of her husband has been found guilty of his murder. A jury found that Kouri Richins killed her husband in March 2022 by poisoning him with a fentanyl-laced drink. The ju... [1942 chars]