JEFFERSON CITY, Mo. – A man sentenced to death for the 2018 murders of his girlfriend and three family members will plead his case to the Missouri Supreme Court. Richard Emery’s appeal is expected to be taken up this week. In September 2022, Emery was found guilty on four counts of first-degree murder in the deaths of his girlfriend, 39-year-old Kate Kasten, her two children from a previous relationship, 10-year-old Jonathan and 8-year-old Zoe, …