The parties disputed whether the defendant or victims fired the first shots in a triple-homicide trial before DC Superior Court Judge Neal Kravitz on May 21. Jalonte Thompkins, 34, is charged with conspiracy while armed, three counts of first-degree premeditated murder while armed, three counts of possession of a firearm during a crime of violence, and unlawful possession of a firearm during a crime of violence with a prior conviction greater th…