A New Jersey State Police lieutenant, Ricardo Santos, killed his ex-girlfriend and her new boyfriend before dying by suicide.

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

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

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

Ricardo Jorge Santos, with the New Jersey State Police, is accused of shooting Semanchik and Webb before killing himself, ...

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

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

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

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

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

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

A memorial has been set up outside Long Valley Animal Hospital for one of two victims shot and killed by a New Jersey state ...