An investigation into the shooting deaths of two people and the apparent suicide of a suspect, a state trooper, “raised serious concerns” from the county prosecutor’s office.

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

The Hunterdon County Prosecutor's Office superseded the Franklin Twp. Police Dept. amid concerns over the handling of a double murder-suicide.

In the heart of Hunterdon County, a void sits in the hearts of many. “Everybody’s devastated,” said Gary Walia, owner of The Pittstown Inn. “Just not the family, but everybody in town.” Walia says Lauren Semanchik used to frequent his restaurant.

The Hunterdon County Prosecutor’s Office said Thursday it took over the Franklin Township Police Department less than a week after New Jersey State Lt. Ricardo Santos shot and killed Semanchik,