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Leader of Mara 18 street gang, Marlon Martinez, gestures while inside a maximum security cell within the Torre de Tribunales courthouse in Guatemala City on March 30, 2011. The gang members were sentenced to 47 years in prison for the murder of Jorge Winter, a teacher at the Etapa II correctional facility, during a riot. (Johan Ordonez/AFP/Getty Images)

MS-13 by Adam Hinton, El Salvador

Adam Hinton - El Salvador. Penas Ciudad Barrios is a maximum security prison for members of the Mara Salvatrucha Gang, or MS, in the South of El Salvador.

Timothy Dufresne first began adopting radical white supremacist behavior when housed in an out-of-state prison, which he used to help start the gang Hitler's Henchmen upon his release, the Bennington Banner reports. Just days after his interview, Dufresne allegedly seriously wounded a neighbor in a fight by beating him with a broomstick

In this Sept. 1, 2012 photo, an inmate belonging to the Mara 18 gang gestures inside the prison in Cojutepeque, El Salvador.

Russian Prison Tattoos: Except I think probably if you're caught with Russian mob tattoo's without belonging to the mob you'd be in trouble. Stars on knees = Bowing to no one.

Neil Armstrong, 1930-2012

LondonYouth29 Лондонский молодняк 70 х и 80 х


Tattoos - A Mara Salvatrucha (commonly abbreviated as MS, Mara, and MS-13) gang member. A transnational criminal gang that originated in Los Angeles and has spread worldwide. S)

Mara Salvatrucha.

Mara gang member ‘Psycho 23′ — prison portrait in Chimaltenango, Guatemala. Photo AP / Rodrigo Abd

Portrait of a Mara Salvatrucha gang member ~ photographed in a prison in El Salvador by Isabel Muñoz

New York City street gang Savage Skulls

Interview with Walter Bond, July 2011 Facilitated by Carol L. Glasser Walter Bond is currently serving a federal prison sentence of 12 years and 3 months for A.L.F. arson attacks on the Sheepskin Factory in Denver, Colorado, Tandy Leather Factory in Salt Lake City, Utah and Tiburon Restaurant in Sandy, Utah, resulting in almost two million dollars in damages. This interview was conducted about 3 months prior to Bond’s final sentencing date.

Chelatenango, El Salvador. May 2007. A members of the Mara Salvatrucha gang displays his tattoos inside the Chelatenango prison in El Salvador. Moises Saman Panos Pictures

The epaulette tattooed on the shoulder, the thieves' stars and religious tattoos on the chest all denote this thief's high rank. The skull in the centre of the epaulette can be deciphered as: 'I am not and will never be a slave, no one can force me to work'. 'YK' indicates the bearer has been through the 'Intensive Colony'

American Prison Tattoos by Photographer Robert Gumpert

Forever Jail


Moses Ulloa tattoos include the City of Glendale logo on the top of his head, "Murdercopa County" on his neck, horns on his forehead, and a bullet hole between the words "bullet proof" on the side of his head -- lined up for Ulloa's third mugshot at the Maricopa County Jail in four months.