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

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

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

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

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

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 ...

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

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

A memorial has been set up outside a New Jersey animal hospital for Lauren Semanchik, a veterinarian who was fatally shot in ...

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

21-year-old Vincent Tapia was sentenced to 40 years in prison on Thursday for the murder of Ricardo Santos, Jr., in April 2022 in Denver near Sloan's Lake.