Inside prisons, the AB participates in drug trafficking, male prostitution rings, gambling and extortion. They have also been hired by high-profile inmates such as Charles Manson and John Gotti for protection. On the streets the AB is involved in murder-for-hire, armed robbery, gun running, drug manufacturing/distribution, counterfeiting and identity theft.
Aryan Brotherhood members primarily hold to a white supremacist ideology, but they are, above all, a crime organization. The AB will work with gangs of different ethnic backgrounds if it is profitable and helpful for the Brotherhood.