Genre: Documentary, History, Crime
Premise: This series tells the inside story of some of America's most notorious street gangs. From the heroin kingpins in 1970s Harlem to today's most dangerous gang, MS-13, which has spread to suburban communities, gangs have a rich yet deadly history. With exclusive interviews and rarely seen footage, this is a raw look at life inside these gangs and at the agencies that are working to stop them.
S05, E08 (First Aired: Jul. 16, 2009)
The Aryan Circle, a violent white separatist gang spawned in the prison system, terrorizes Texas.
S07, E09 (First Aired: Aug. 13, 2010)
The Hells Angels biker gang reigns supreme in the state of Washington.