Federal Bureau of Prisons 2001 report on the influence of prison gang affiliation on violence and other prison misconduct. Statistical analysis with tables and charts. [PDF]
Activities of prison gangsters within an infamous California penal institution. Explores methods used by incarcerated gang leaders to influence events beyond the prison walls.
Florida Department of Corrections information on major gangs: Neta, Aryan Brotherhood, Black Guerilla Family, Mexican Mafia, La Nuestra Familia, Texas Syndicate. Descriptions of gang origins, identifiers, characteristics and rivals.
Massachusetts Department of Corrections' primer on prison gangs. Write ups on gangs noted within state institutions, with additional information and images for the top three groups: Latin Kings, La Familia and Neta.