It happened around 1:15 a.m. Tuesday, Aug. 2 in Huntington Station.
The victim was shot at the threshold of his residence, located at 212 5th Ave., after he answered a knock at the door, Suffolk County Police said.
The man, identified as Byron Martinez, age 23, was pronounced dead at the scene by a physician assistant from the Office of the Suffolk County Medical Examiner, according to police.
Detectives are asking anyone with information on the shooting to call the Homicide Squad at 631-852-6392 or Crime Stoppers at 800-220-TIPS.
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