Crime scene tape surrounds the home of U.S. District Judge Esther Salas on Monday in North Brunswick, N.J. A gunman posing as a delivery person shot and killed Salas’ 20-year-old son and wounded her husband on Sunday evening at their home before fleeing, according to officials.

Crime scene tape surrounds the home of U.S. District Judge Esther Salas on Monday in North Brunswick, N.J. A gunman posing as a delivery person shot and killed Salas’ 20-year-old son and wounded her husband on Sunday evening at their home before fleeing, according to officials.