Dukes was killed on Dec. 14, 2020 in Riverdale. Investigators said Joshua Bobbitt and Nicholas Morris were traveling on South Halsted and made a U-turn and pursued Dukes' car. They fired multiple rounds and fatally injured him.
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It is believed they stayed to watch the vehicle run off the road before fleeing.
Morris is believed to be harbored by associates in the south suburbs.
The FBI offered $5,000 for information leading to an arrest of either offender. Information on both yields $10,000.