By the 1970s, the police and Federal Bureau of Investigation (FBI) used military tactics such as SWAT teams, infiltration and counter intelligence in an attempt to counter groups such as the Black Panthers (responsible for several police ambushes), the S.L.A. and organized drug gangs such as the "69 Mob", with increases in arrests, prosecutions, and imprisonment. During the first decade of the 21st century, Oakland has consistently been listed as one of the most dangerous large cities in the United States.
By the 1970s, the police and Federal Bureau of Investigat.ion (FBI) used military tactics such as SWAT teams, infiltration and counter intelligence in an attempt to counter groups such as ,the Black Panthers (responsible for several police ambushes), the S.L.A. and organized drug gangs such as the "69 Mob" with increases in arrests, prosecutions, and imprisonment During the first decade of the 21st century, Oakland has consistently been listed as one of the most dangerous large cities in the United States.