Police said officers responded to a call about a person shot in the Wicker Park neighborhood's 1500-block of North Honore Street just after 1:45 a.m. on Nov. 15.
There, officers found a teen who had suffered multiple gunshot wounds to his body.
The victim, a 17-year-old boy, was transported to Stroger Hospital, where he was pronounced dead.
Police arrested one of the people involved on Saturday.
The suspect, also a 17-year-old boy, is charged with first-degree murder and armed robbery. His name was not immediately released.
Police did not immediately provide further information.
The video in the player above is from a previous report.
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