Article by Michael Montgomery accounts incidence of increase in number of crimes due to prison gang and related matters.

Details investigative approaches on prison gang activities including punishments, relaying of messages and conditions of members. Contains discussion on the influential gang leader.

Research on contemporary national prison groups and security threats. Provides data on scope of problems, measures taken and remedies.

Discusses organization background, processes, lists and links to associations.

Lists recognized state security threat groups categorized into three clusters including Hispanic, White and Black Gangs.

Presents different prison groups such as the Black Guerilla, La Nuestra, Mexican Mafia, and Texas Syndicate. With discussion on membership characteristics and organizational structure.