New Jersey State Trooper Ricardo Santos killed his ex-girlfriend, Lauren Semanchik, and her boyfriend, Tyler Webb, before taking his own life.

Prosecutors said Ricardo Jorge Santos followed Lauren Semanchik home from work and then fatally shot her and Tyler Webb.

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

The prosecutor's office is investigating the complaints she made to police about her ex-boyfriend who was a New Jersey State ...

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

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

The New Jersey State Police trooper who reportedly shot and killed his former girlfriend and a firefighter she was dating had ...

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

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 ...

The couple called 911, and a squad car pulled up "at least 10 minutes later," but police never drove up the driveway to speak ...