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http://www.bop.gov/news/research_projects/published_reports/cond_envir/oreprcrim_2br.pdf

http://www.dc.state.fl.us/pub/gangs/prison.html

http://www.gangsorus.com/prisongangs.htmlhttp://en.wikipedia.org/wiki/Prison_gang

https://www.amazines.com/Research/article_detail.cfm/196019?articleid=196019

Although prison gangs were formed in the 1960s and 1970s to protect inmates against other prison groups the gangs have rapidly grown in size and influence until they now control the prisons through violence and often use their power to control activities outside the prison.

1.) *Prison gangs were formed in the 1960's and 1970's.

2.) *Prison gangs were originally formed to protect inmates,. Netas - originated in Puerto Rico

3.)*Prison gangs now control prisons through violence and often use their power to control activities outside the prison.

4.) *Prison gang is a term used to denote any type of gang activity in prisons and correctional facilities. Prison officials and others in law enforcement use the term Security, Threat Group. or STG. 5.)*puerto rico was the first place to have a prison gang.