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

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

Slain veterinarian Lauren Semanchik feared for her life and even spoke of getting a restraining order against New Jersey ...

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

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 ...

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

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

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

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

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

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