Tyrone Williams, 23, of Baldwin was fatally shot and killed in Freeport on Aug. 1.
Freeport village police responded to shot spotter activation near W. Seaman Avenue around 2 a.m., where they found Williams with a gunshot wound.
He was taken to a local hospital where he was pronounced dead early Thursday morning.
Kyzer Langley, 20, of Bridgeport Conneticut, was arrested by police. He has been charged with murder and criminal possession of a weapon
Officers state that the alleged shooting followed an argument between Langley and Williams. The investigation is continuing.
Langley will be arraigned at First District Court in Hempstead on Friday, August 2.
Nassau police ask anyone with information on the incident to call Nassau County Crime Stoppers at 1 (800) 244-8477 or call 911. All calls are confidential.