1 killed, 2 wounded in a grocery shooting in West Hempstead, New York, police say

The shooting happened on an upper level of a Stop & Shop grocery in the community of West Hempstead, New York, while a couple hundred people were inside the store, police said.

Gabriel DeWitt Wilson is someone "we believe is the shooter," Nassau County Police Commissioner Patrick Ryder said.

"He left the scene, and he was witnessed still carrying the handgun," Ryder told reporters.

The shooting killed a store manager, a Nassau County official told CNN on condition of anonymity. Police earlier said the person who died was 49 years old, but did not release a name.

The two wounded survivors were taken to a hospital, and were conscious and speaking with law enforcement officers, authorities said. Wilson, about 30, was last seen heading west on a nearby turnpike, police said. Police said Wilson is about 6 feet 2 inches tall and was wearing a black baseball cap and a black sweatshirt. The Person of Interest involved is Gabriel DeWitt Wilson, age 30. He is approx. 6'2" & wearing a black baseball hat and a black sweatshirt, & was last seen heading westbound on Hempstead Turnpike. Please call 911 immediately if you have any information. #NassauCountyPD (2/2) pic.twitter.com/qBcVNSjuF5 — NCPD (@NassauCountyPD) April 20, 2021 He had worked at the store, but investigators aren't certain whether he still was employed there, Ryder said. Authorities say they do not know a motive for the shooting in West Hempstead, which is about a 10-mile drive east of the New York City borough of Queens. Police are canvassing the area, and nearby schools have been told to secure their buildings, Nassau County spokesperson Christine Geed said. The West Hempstead and Franklin Square school districts said their facilities were instituting lockouts. Lockouts in the Franklin Square district means no one can enter or leave the building, its superintendent said.