Apolonio Castro, 28, was fatally shot on February 10, 2010, in a residential area on the southwest side of San Antonio. Police were called for reports of gunfire and found Castro critically wounded; emergency responders tried to help but he died at the scene.

Investigators conducted a thorough probe but faced limited cooperation from witnesses, which has hindered confirmation of exactly what happened and identification of suspects. The San Antonio Police Department continues to investigate and is asking anyone with information, even small details, to come forward to help the family and advance the case.

If anyone knew Apolonio Castro or saw activity in that neighborhood on February 10, 2010, can you share what you remember with investigators?