Manuel Medrano is a former member of the Arizona Mexican Mafia, also known as the New Mexican Mafia, a US prison gang. Medrano speaks with Business Insider about the gang structure and hierarchy, as well as ties to the cartels. He also talks about the loose alliance the gang had with the Aryan Brotherhood. Medrano discusses corrupt prison guards and offers his opinion on mass incarceration and US drug policy. This story is available exclusively to Business Insider subscribers.

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Persons: Manuel Medrano, Medrano Organizations: Arizona Mexican Mafia, New Mexican Mafia, Arizona Department of Corrections, Rehabilitation, Business