A Utah jury convicted Kouri Richins of murdering her husband by slipping fentanyl into his drink in 2022.The big picture: The domestic violence allegations against Richins — who later authored a children's book about her kids' grief — drew national attention.Thousands of viewers watched livestreams of the three-week trial, which ended Monday.Catch up quick: Prosecutors argued that Richins, a Kamas mother of three, killed her husband Eric Richins in an attempt to acquire his fortune while her hou...