The shooting happened on Sunday at about 8:30 p.m. in the 2400 block of S. Drake Avenue, Chicago police said.
Police said they found the body of the man with multiple gunshot wounds. He died at the scene.
On Monday, he was identified as Morgan Alaniz, 18 of Chicago, by the Cook County Medical Examiner.
Nobody is in custody.
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At least 52 people have been shot, seven fatally, in shootings across Chicago so far this Labor Day weekend, police said.