An off-duty US Customs and Border Protection officer was shot in a Manhattan park on Saturday following an apparent robbery gone wrong, New York City police and federal officials said.

The suspect in the July 7 shooting, identified as 27-year-old Ryan Louis Mosqueda, fired "many rounds" at the federal building that houses the U.S. Border Patrol office at the McAllen International Airport, according to McAllen Police Chief Victor Rodriguez.

An off-duty U.S. Customs and Border Protection officer was shot late Saturday night at a park in NYC, the Department of Homeland Security confirmed.