Forty-two alleged members and associates of the San Fernando Valley Peckerwoods have been arrested in an operation authorities on Wednesday called one of the largest crackdowns on a neo-Nazi White supremacist gang.

The US justice department says the Peckerwoods gang takes orders at times from the Aryan Brotherhood, a neo-Nazi gang based in California's prisons, and has an alliance with the Mexican Mafia prison gang, which controls most Latino street gangs in California.