Jquinn McCune, 30, was fatally shot on July 5, 2016, while working as the manager of a Family Dollar in the 7900 block of South Ashland Avenue on Chicago’s South Side. The shooting happened in the late afternoon when McCune intervened to stop a shoplifting attempt; the suspect fired at him and fled the scene immediately after.

Police investigated and released surveillance images seeking the person or people involved. McCune’s death prompted public mourning and drew attention to the dangers retail workers face in neighborhoods dealing with high crime.

If anyone saw activity near that Family Dollar on July 5, 2016, or recognizes the person in surveillance images, please share what is known with investigators.