Explore these ideas and more!

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.

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

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.

A convicted murderer with a 'White Power' tattoo on his forehead has been sentenced to his second life term for killing a fellow inmate to 'avenge' the death of a nine-year-old girl. Frank Souza, 33, who was already set to spend the rest of his life behind bars pleaded guilty to stabbing Edward John Schaefer, 44, in the neck and chest with an improvised knife 10 days after he arrived in San Quentin State Prison in July 2010. The attack was carried out by Souza to avenge Melody Osheroff.

Mara Salvatrucha.

The striking, close-up portraits of male gang members (of the notorious Mara Salvatrucha gangs of Los Angeles and Central America) and the tattoos that tell the tales of their lives by Spanish photographer Isabel Muñoz. Muñoz took the photographs by spending time in the prisons in El Salvador that are now home to many of the gang members.

stay true i will never let my life be controlled by alcohol, drugs or sex...

"Know Where You Stand" campaign by Seth Taras - Hindenburg at Lakehurst, New Jersey 1937 / 2004; D-Day at Normandy Beach 1944 / 2004; Berlin Wall at the Brandenburg Gate 1989 / 2004; Hitler at the Eiffel Tower, Paris 1940 / 2004

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'

Gang ink is insane. :D

dramatic.

Forever Jail

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)

Tattoo machine handmade prison style by goofz01 on Etsy Goof Vermeulen, www.goofz.nl, follow me on www.facebook.com/goofz.nl or instragram: goofz01

California state prison

freja beha