Sidney Caldwell, 26, was killed by gun violence in Chicago on July 26, 2017. His death was recorded amid a year that saw a sharp rise in shootings and homicides across the city, and it appears in Chicago Police Department records and public crime databases documenting that surge.

Caldwell’s case is presented as one among many that year, used within datasets to map patterns of violent crime and the neighborhoods most affected.

If anyone knew Sidney Caldwell or has information about the circumstances of his death, please share what you know with local investigators.