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Gang Library

Below you will find links within our site to information on specific gangs. If you would like more information on how gangs communicate, please visit this link: Methods of Communication

You may also wish to browse our Interactive map of gangs by county. (enable popups).

Gang List

18th Street 18th Street gang colors are black and white, though some specific cliques continue to use the Sureno gang colors, blue and white. Each member of the 18th More...

Black Guerilla Family The most common identifiers for BGF members and its activity include tattoos and graffiti of a dragon surrounding a prison tower holding a correctional officer in its clutches, cross sabers and shotguns, and a shotgun on a prison tower More...

Bloods The Bloods gang originated in the streets of Los Angeles in the 1970s as a response to the Crips and the violence they imposed on the streets. In the 1980s, driven by profits from the distribution of crack cocaine, the ranks of the Bloods swelled, inducing More...

Crips The Crips is one of the largest gangs in the United States. Founded in Los Angeles during the late 1960s, the Crips gang developed and rose in strength due to the breakdown in the community leadership of the African American community following the LA riots. More...

Dead Man Inc. Dead Man, Inc. (DMI), the third largest gang in Maryland, was founded in 1990 within the Maryland Correctional System. DMI founders had many of the same anti-religious and anti-government beliefs as the Black Guerrilla Family and created a similar “white off-shoot” gang. More...

Gangster Disciples The vast majority of the Gangster Disciples are of African American descent. There is an application form and a background check conducted that investigates each aspiring member. Although convicted male offenders control the gang’s activities, females are not excluded and are often treated as equals by male members. More...

Hells Angels The Hells Angels Motorcycle Club (HAMC) is the most notorious OMG in the United States. The gang has over 92 chapters in 27 states in the United States. Internationally, the Hells Angels are active in 26 foreign countries. The OMG is actively involved in the transportation and distribution of narcotics and weapons. More...

Latin Kings The Latin Kings is a Chicago and New York based street gang with cliques located throughout the United States. Formed in the 1940s by Puerto Rican immigrants, the gang is built around the concept of Hispanic pride. More...

Mongols Mongol members identify themselves through the popular use of patches and tattoos. Their official logo is of a Mongol warrior riding a motorcycle with sun glasses. The figure is depicted along with the name of the OMG and chapter, typically on a biker jacket or leather vest. More...

MS 13 MS-13 members are known to be involved in all aspects of criminal activity. Because of their ties to their former homeland, MS-13 members have access to sophisticated weapons, thus making firearms trafficking one of their many criminal enterprises. More...

Outlaw Motorcycle Gangs Outlaw Motorcycle Gangs are highly structured criminal gangs and enterprises whose members commit and/or engage in criminal activities such as violent crime, weapons trafficking and drug trafficking. In the United States, there are an estimated 300 active OMGs. Chapters range in member size from three or more to several hundred. More...

Pagans Similar to other OMGs, Pagan members identify themselves through patchwork and tattoos. Fully patched Pagans are known to wear a Pagans top rocker and a Zeutar (God of Fire) patch. The Pagans top rocker patch often has red or blue lettering on a white background bordered by red. More...

Purple City Purple City is a well established street gang in Baltimore City. The gang is comprised of multiple sets spread throughout the city’s west and east side. The gang is highly active in the school system and is known for violence and tagging. Older Purple City members are tied to the distribution of narcotics, specifically marijuana. More...

South Side Locos SSL’s primary colors are black and blue, although some of it cliques “flag” the colors black, white and gray. Their most commonly used sign is the letter “S,” followed by the number “13,” which is displayed in a variety of ways, including the Arabic alphabet (13), Roman alphabet (X111), and a mixture of the two (X3).More...

Surenos Surenos members represent themselves with a number of phrases and symbols, i.e. “SUR 13”, “Sureno Trece” and “Los Surenos.” Additional identifications include the color blue, the numerical number 13, representing the alphabet letter M, standing for the Mexican Mafia, and XIII. More...