Sgt. First Class Ricardo Santos, 45, committed the heinous slayings after stalking and harassing his ex of just three months, ...

A New Jersey state policeman, who had previously been tasked with protecting the governor, shot and killed his ex-girlfriend ...

Allison said Semanchik treaded carefully about whether to lodge a restraining order because Santos was a police officer while ...

Jeannine Semanchik, the victim's mother, said her daughter tried to alert authorities about her unstable ex-boyfriend, but no ...

NJ State Police Sergeant Ricardo Jorge Santos killed his ex-girlfriend and her boyfriend before taking his own life, ...

Ricardo Santos fatally shot his ex-girlfriend Lauren Semanchik and her new boyfriend, Tyler Webb, at Semanchik’s home, police ...

A New Jersey State Trooper -- once entrusted with protecting the governor -- gunned down his ex-girlfriend and her new ...

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

A New Jersey State Police sergeant, who once served on Gov. Phil Murphy's security detail, is suspected of killing his former girlfriend and the volunteer firefighter.

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

The governor’s office is grappling with the fallout from a double murder-suicide involving a New Jersey State Police trooper ...

Lauren Semanchik, who worked at the Long Valley Animal Hospital, and Tyler Webb, were killed by Ricardo Jorge Santos, the ...