Officials in Benton County now say there were four victims in a murder-suicide in Bell Plaine Sunday.The Benton County medical examiner says 21-year-old Roberta Abernathy was at seven and a half months pregnant when she was shot by former boyfriend Richard Jackson of Tama. Jackson also killed the Abernathy’s current boyfriend, 25-year old Jerry Williams, before killing himself. Neighbors say Jackson was the father of Abernathy’s baby, but that’s not been confirmed.