Jeffery Arnold Jr. was 20 when he was shot and killed on July 31, 2016, in Chicago’s East Garfield Park neighborhood. His death occurred on a day that saw multiple shootings across the city and contributed to an exceptionally violent year for Chicago, which recorded nearly 800 gun-related deaths in 2016.

The case description places Arnold’s killing within a wider pattern of urban gun violence and economic hardship affecting East Garfield Park and similar neighborhoods. Community grief and calls for action followed many of those losses as local groups and authorities grappled with rising homicide numbers despite intensified police activity and intervention efforts.

Who knew Jeffery Arnold, where he spent his time, or might have information about what happened that day?