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

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

Allison said Semanchik treaded carefully about whether to lodge a restraining order because Santos was a police officer while Deanna added, “She just hoped that he would go away.”