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The son of a federal judge was shot and killed when he answered a knock at the door of the family home in North Brunswick, New Jersey on Sunday afternoon, CBS News reports.
The judge's husband, a criminal defense attorney, was also shot but he is expected to survive.
The gunman, who was dressed as a FedEx delivery driver and wearing a face mask, fled the scene.
Law enforcement officials say U.S. District Judge Esther Salas, who is seated in Newark, was unharmed. Her son Daniel Anderl, 20, was shot and killed.
Salas' husband, Mark Anderl, a 63-year-old criminal defense attorney and former prosecutor, is listed in critical condition in an ICU.
Police sources told CBS New York Salas was in the basement of the home at the time of the shooting.
The FBI is working with U.S. Marshals and state and local authorities on the case.
Judge Salas was assigned a lawsuit filed by Deutsche Bank investors who claim the bank made misleading statements and didn't keep tabs on "high-risk" customers including convicted sex offender Jeffrey Epstein.
According to the Associated Press, Salas kept federal prosecutors from seeking the death penalty in 2017 against an alleged gang leader charged in several Newark slayings. She claimed his intellectual disability prevented him from being executed. Salas later sentenced him to 45 years in prison.
Salas is best known for presiding over the case of "The Real Housewives of New Jersey" star Teresa Giudice and her husband, Joe Giudice, who pleaded guilty to fraud charges in 2014.
Update: The gunman wanted in the death of a district judge's son has killed himself. Police say the gunman - a lawyer - was found deceased in his car in upstate New York.
The gunman shot and killed Salas' son Daniel, 20, when he answered a knock at the door of the family home in North Brunswick, New Jersey on Sunday. The gunman targeted Judge Esther Salas who presided over his case in the past. She was in the basement of the home during the shooting.