William L. Stark was 26 when he was killed in a shooting on September 6, 2009, on Chicago’s South Side.

The case remains open. It is described in the context of a period when Chicago faced rising homicide numbers and many investigations were hindered by witness reluctance and caseload pressures.

If anyone knew William Stark, saw something on September 6, 2009, or has information that could help the investigation, please come forward.