Ricardo Jorge Santos, with the New Jersey State Police, is accused of shooting Semanchik and Webb before killing himself, prosecutors said. He was found dead in a white Mercedes SUV parked in Piscataway. A gun was located inside the vehicle, the release stated.

A New Jersey State Police sergeant fatally shot his ex-girlfriend and her boyfriend before killing himself, Hunterdon County prosecutors say.

Authorities say New Jersey State Police lieutenant shot and killed his ex and her new boyfriend before turning the gun on himself