Article Photos: 3 agents shot, injured in SF Bay area incident 1/4

  Clark Settles, Homeland Security Investigations Special Agent in Charge, with local law enforcement representatives behind him, talks about the arrests of 13 members and associates of the 500 Block/C Street gang during a news conference in South San Francisco, Calif., Thursday, May 3, 2012. Three Immigration and Customs Enforcement agents were shot and injured Thursday while serving "high-risk" warrants in the San Francisco Bay area, authorities said. The agents suffered non-life threatening injuries during an early-morning raid in Petaluma in connection with a 2010 gang-related triple homicide. (AP Photo/Eric Risberg)