Carlos Martinez was 25 when he was shot and killed on August 19, 2007, in San Francisco’s Mission District. The neighborhood experienced significant gun violence at the time, and Martinez’s death has remained unsolved despite an investigation by local law enforcement.

The San Francisco Police Department has kept the case open as one of several cold cases under review and has appealed to the public for information. Rewards have been offered for tips that could identify the suspect or suspects involved.

Anyone who knew Martinez, was in the Mission District that evening, or has information that could help investigators is asked to come forward.