It's the shocking story of a Utah mom and children's grief book publisher Kouri Richins - accused of fatally poisoning her husband with a lethal dose of fentanyl. A jury reached a verdict this week and 20/20 is all-new tonight with the latest reporting. 20/20 'Murder She Wrote: The Kouri Richins Trial' airs tonight (March 20th) at 9/8c on ABC. Stream this weekend on Disney+ and Hulu. #KouriRichins #Investigation #Verdict #TrueCrime