Saturday evening, around 4:50 p.m., SFPD officers responding to a shooting call on Carr street in the Bayview District arrived to find 19-year-old victim Treyvon Butler suffering from multiple gunshot wounds. Butler was declared dead at the scene. As of Sunday evening, SFPD had yet to announce any arrests in the case.

Saturday's killing is the city's 47th homicide in 2011.

Anyone who may have witnessed the incident on Carr Street is encouraged to call the SFPD tipline at (415) 575-444 or text tips to TIP411.