Federal judge’s son killed, husband shot by unknown gunman at their N.J. home

The son of a federal judge was killed and her husband was wounded when a gunman opened fire at their home in Middlesex County Sunday evening, setting off a massive investigation involving multiple state and federal law enforcement agencies.

Mark Anderl, 63, a well-known criminal defense attorney and the husband of U.S. District Judge Esther Salas, and their son, Daniel, 20, were shot at about 5 p.m. at their home in North Brunswick.

Salas, who sources say was in the basement of the home at the time, was not injured in the shooting.The gunman may have been dressed as a FedEx deliveryman, two law …