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 threatened to get 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 ...

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 ...

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

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

Prosecutors say volunteer firefighter Tyler Webb and his new girlfriend Lauren Semanchik were killed last Saturday by her ...

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

Killed in what investigators said was a "targeted act" in Pittstown, Henderson County, were 33-year-old Lauren Semanchik, a ...