Demarius Roseman, 19, was shot and killed in Chicago on July 28, 2016. The shooting occurred on the West Side during a summer that saw a sharp increase in gun violence across the city; 2016 recorded over 750 killings.

Demarius’s death is presented as one of many young lives lost amid those conditions, with community leaders and law enforcement reported to have pursued responses ranging from increased patrols to outreach programs for at-risk youth. Did anyone in Chicago’s West Side community know Demarius or have information about what happened that night?