This region is a source, transit, and arrival zone for various illicit drugs. The Mexican DTOs that produce and distribute methamphetamine also transport and distribute other drugs in the area. Mexican DTOs dominate the distribution of large quantities of methamphetamine, heroin, cocaine, and marijuana in Northern California. African-American, Asian, and Middle Eastern groups have developed a strong influence within the region. A wide variety of gang members and their associates are the primary distributors of illegal narcotics at the street level.
Gangs use firearms and violence to protect their territories and supplies.
Gang violence is increasing and is closely associated with the methamphetamine trade. Hispanic street gangs and prison gangs are growing in number. Outlaw motorcycle gangs, primarily the Hells Angels, still have an active role in the methamphetamine trade. African-American gangs, located in urban areas, are often associated with drug sales in public housing. Recently, East Indian criminals have become more involved in retail drug sales and other drug-related activity in the San Francisco area.