A Wikipedea of world-wide crime

The Rollin 60's Neighborhood Crips is a street gang based in Los Angeles, California, originally formed in Los Angeles in 1976 from the Westside Crips and have since spread to other cities in the United States. Membership is estimated to be around 1,600 people, making it one of the largest gangs in the Los Angeles area. According to a news outlet in 2004, Rollin' 60's was "the largest black criminal street gang in the City of Los Angeles.

Members identify themselves by wearing the Seattle Mariners or Chicago White Sox logos and mark areas they are in with graffiti.

Two men identified as members of the Rollin' 60 were arrested for the 1984 murders of four members of professional football player Kermit Alexander's family. Police say the gang members got the address wrong and killed the wrong family.

Musician, businessman, and community activist Nipsey Hussle was a member of the Rollin 60's Neighborhood Crips.

Rollin 30s Harlem Crips is a street gang formed by Belizean American Crips who had moved from South Los Angeles to Belize and then Harlem, New York.

The Grape Street Watts Crips is a Crip subset based in the Watts neighborhood of Los Angeles. The gang's rivalry with the Bounty Hunter Bloods has been described as being "the most violent and long lasting feud between two gangs that are in the Watts area.

The Asian Boyz, also known as ABZ, AB-26, or ABZ Crips, are a street gang based in Southern California. They were founded in the late 1980s as part of efforts of protection for Southeast Asian immigrants and refugees from the more numerous American gangs in their localities. According to the FBI, the gang is predominantly Southeast Asian-American, of which Cambodians account for their majority, while Filipinos, Vietnamese and other Southeast Asians comprise sizable numbers. With approximately 2,000 members, many are known to have enlisted in the U.S. military through which some were able to use their position to traffic drugs. According to the FBI's 2009 National Gang Threat Assessment, the Asian Boyz are active in 28 different cities, in 14 different states across the U.S.

The Crips is an alliance of street gangs which is based in the coastal regions of southern California. It was founded in Los Angeles, California, in 1969, mainly by Raymond Washington and Stanley Williams. Once a single alliance between two autonomous gangs, it is now a loosely-connected network of individual "sets", often engaged in open warfare with one another. Traditionally, since around 1973, its members have worn blue clothing.

The Crips are one of the largest and most violent associations of street gangs in the United States. With an estimated 30,000 to 35,000 members in 2008, the members have been involved in murders, robberies and drug dealing, among other crimes. They have a long and bitter rivalry with the Bloods.

The Chosen Few MC is the first mixed race outlaw motorcycle club, its first white member joined in 1960.

The Bounty Hunter Watts Bloods, also known as the Bounty Hunter Bloods, is a predominantly African American street gang situated in the Nickerson Gardens public housing projects in Watts, Los Angeles.

Armenian Power 13, also known as AP, the Armenian Mob, or Armenian Mafia is an Armenian criminal organization and street gang founded and currently based in Los Angeles County, California. They are involved in drug trafficking, murder, assault, fraud, identity theft, illegal gambling, kidnapping, racketeering, robbery and extortion. They are believed to have around 200 members and hundreds of associates, according to the U.S. attorney’s office. They are also well known for their connections with the Mexican Mafia.

The Mexican Mafia (Spanish: Mafia Mexicana), also known as La eMe (Spanish for "the M"), is a highly organized Mexican American criminal organization in the United States. Despite its name, the Mexican Mafia did not originate in Mexico, and is entirely a U.S. criminal prison organization. Law enforcement officials report that the Mexican Mafia is the deadliest and most powerful gang within the California prison system and possibly all of the West Coast. Government officials state that there are currently 400–500 official members of the Mexican Mafia with around 1,000 associates who also carry out its illegal activities in the hopes of becoming full members.