New York State Police have launched a criminal probe into a trooper who claimed he was shot and wounded by an unknown gunman on a Long Island highway last week.

The investigation into Thomas Mascia's conduct is "far from over" as investigators continue to piece together what happened, an official said.

NY State Police are investigating Trooper Mascia, who was suspended after doubts arose over his claim of being shot on duty.

Authorities have launched an internal investigation in the case of a New York State trooper who said he was shot by a suspect on Long Island's Southern State Parkway last week, authorities said Monday.

A New York State Police trooper who claimed he was shot on a roadway in the region has been sidelined amid doubts about his story. On Long Island, trooper Thomas Mascia, age 27, was suspended without pay and stripped of his agency-issued service weapon,