Days after the New York State Police lauded one of its troopers as a hero, they have launched a criminal probe into his claim that he was shot and wounded during a traffic stop on a Long Island highway.

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.

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.