Alexander C Mercado was 16 when he was shot and killed in Chicago on August 16, 2010. The brief account places his death amid a year of heightened gun violence in the city that disproportionately affected teenagers, and it notes his family and community were left devastated.

The case is described as part of a broader pattern of youth shootings in Chicago, and police have sought public assistance in solving such incidents.

Does anyone have memories of Alexander, or information that could help investigators?