Jaime Rojas was 28 when he was killed in San Francisco on July 28, 2007. His homicide occurred during a period when certain neighborhoods in the city were seeing increased violent crime, a backdrop that investigators say complicated efforts to solve many cases that year.

Rojas’s case remains open with the San Francisco Police Department and is listed among cold cases for which the city has offered financial rewards to encourage tips. Authorities say the investigation has struggled for want of sufficient witnesses or direct evidence, leaving the case unresolved and his family without closure.

Anyone with information about Jaime Rojas or that night is asked to contact the SFPD anonymous tip line.