Chicago police responded to a report of shots just before 2 a.m. Saturday on West 122nd Street. At the scene, officers found a man dead on the sidewalk. He had been shot in the head several times.
The man has been identified as Thaddeus Tucker, 18, of south suburban Lansing, Ill.
No one was in custody later Saturday.
Citywide, at least five others were shot and wounded late Friday and early Saturday.