Darnell Williams was 22 when he was fatally shot in Chicago on November 30, 2014. His killing occurred during a year marked by a sharp rise in homicides and gun violence in the city, with young men in underserved neighborhoods bearing a disproportionate share of the toll.

Law enforcement efforts to reduce violent crime were ongoing, but the community where he was killed continued to face significant safety challenges.

If anyone knew Darnell, his routines, or saw activity in that neighborhood around November 30, 2014, please share what might help investigators or his family.