It happened on Saturday, July 4 at about 11:15 p.m. in North Massapequa.
According to Nassau County Police detectives, units responded to West Drive for a radio assignment for shots fired.
Upon arrival, officers discovered multiple victims had been shot by an unknown individual.
The 21-year-old victim, now identified as Rashawn Cummings, 21 of Hempstead, was pronounced dead at the scene.
The two others were transported via private auto to a local hospital for treatment of non-life-threatening injuries.
This incident is still under investigation.
Detectives request anyone with information contact Nassau County Crime Stoppers at 1-800-244-TIPS or call 911. All callers will remain anonymous.
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