Police have charged 19-year-old Antwan Rivero with the murder of Marcia Downs. Rivero was arraigned today before Senior Magistrate Aretha Ford. He was remanded into custody until July 17. Rivero is accused of killing 37-year-old Marcia Downs on April 11 outside her Belize City residence located in an alley off Handyside Street. It is believed that Rivero was the man who fired two shots at Downs, hitting her once in the head. She later died while receiving treatment at the Karl Heusner Memorial Hospital. According to the police, Downs saw the gunman walking towards her house and she went to the gate to meet him. Rivero is also a resident of Handyside Street, Belize City.