Career
Mills was incarcerated into the California state prison system at a young age, where he rose in the ranks of the Bachelor of Arts organization in the 1970s and 80s. Mills, from Windsor, California, was first incarcerated in 1967, and jailed for a year in a county lockup. He entered the California state prison system after an armed robbery in 1969, and has been jailed almost continually since then
He became involved with the Bachelor of Arts in San Quentin Prison, where the group originated in 1964.
He was convicted of nearly decapitating another inmate in a Georgia maximum-security prison in 1979. According to a federal indictment, Mills was involved in the consolidation of the Bachelor of Arts power structure in 1980, where he assumed a seat in a three-member "federal commission" for the gang.
Along with Tyler Bingham, he expanded the operations of the Bachelor of Arts in federal and state prisons, moving the group into narcotics dealing and racketeering. Mills has a Jewish background.
In March 2006, Mills, along with three other leaders of the Aryan Brotherhood, including Bingham, were indicted for numerous crimes, including murder, conspiracy, drug trafficking, and racketeering.
Tyler Bingham and Barry Mills were convicted of murder and sent back to United States Penitentiary Administrative Maximum Facility Prison (ADX) in Florence, Colorado where they are serving life sentences without the possibility of parole.
