Question: Which Mexican Mafia gang originated in Los Angeles, California, US in the 1980s?

full_context: Document 1: 2010 in organized crime: Around the world are countless groupings of individuals who deal exclusively or through a mix of legitimate and illegal activities. These Organized crime groups or criminal organizations are a transnational grouping of highly centralized enterprises run by criminals for the purpose of engaging in illegal activity, most commonly for the purpose of generating a monetary profit. The Omnibus Crime Control and Safe Streets Act of 1968 (federal statute - Public Law 09-351) states, "Organized crime means the unlawful activities of members of a highly organized, disciplined association..." They are called a number of different names including: the Mafia (US, Italy), Yakuza (Japan), Chinese Triads, the Irish Mob, the Neapolitan Camorra, the Calabrian 'Ndrangheta, the Indian Mafia, the Unione Corse, Serbian Mafia, and the Bulgarian mafia.
Document 2: 38th Street gang: The 38th Street gang is an American criminal street gang in Los Angeles, California, composed mainly of Hispanic-Americans. The 38th Street gang is one of the oldest street gangs in Los Angeles and has been occupying its territory since the 1920s. They engage in many criminal activities. The Mexican Mafia controls and routinely uses 38th Street gang members to carry out their orders.
Document 3: 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. Sureños, including MS-13 is a Mexican gange. and Florencia 13, use the number 13 to show allegiance to the Mexican Mafia. M is the 13th letter of the alphabet. Law enforcement officials report that La eMe is the most powerful gang within the California prison system. Government officials state that there are currently 155–300 official members of the Mexican Mafia with around 990 associates who assist La eMe in carrying out its illegal activities in the hopes of becoming full members.
Document 4: Playboys (gang): Playboys 13 Gang, also known by the short name PBS13, is a violent, predominantly Hispanic street gang in West and East Los Angeles, California. They sometimes use the name Conejo or Rabbit gang. They align themselves with the Mexican Mafia, also known as La eme (which is Spanish for the letter M), while in prison and set aside their rivalry with other Sureño gangs. In some areas they refer to their houses and meeting or hang out areas as rabbit holes.
Document 5: Mexikanemi: Mexikanemi is a gang known as the Texas Mexican Mafia, formed in the early 1980s in the Texan penal systems. It functions separately from the original California Mexican Mafia, and members consider themselves primarily tied to the area of Aztlán, formerly Mexican territories in the southwestern United States. The group engages in a wide range of illegal activities including drug trafficking, loan sharking, and money laundering.
Document 6: La Familia Michoacana: La Familia Michoacana, (English: "The Michoacán Family") La Familia (English: "The Family"), or LFM was a Mexican drug cartel and a organized crime syndicate based in the Mexican state of Michoacán. Formerly allied to the Gulf Cartel—as part of Los Zetas—it split off in 2006. The cartel was founded by Carlos Rosales Mendoza a close associate of Osiel Cárdenas. The second leader, Nazario Moreno González, known as "El Más Loco" (English: "The Craziest One"), preached his organization's divine right to eliminate enemies. He carried a "bible" of his own sayings and insisted that his army of traffickers and hitmen avoid using the narcotics they sell. Nazario Moreno's partners were José de Jesús Méndez Vargas, Servando Gómez Martínez and Enrique Plancarte Solís, each of whom has a bounty of $2 million for his capture, and were contesting the control of the organization.
Document 7: Florencia 13: The Florencia 13 is an American criminal street gang in Los Angeles, California, composed mainly of Hispanic-Americans and some blacks. The gangs name is after the Florence area of Los Angeles county, the 13 is for it's allegiance to the Mexican Mafia. They are involved in drug smuggling, murder, assault, robbery etc.
Document 8: MS-13: MS-13 (Mara Salvatrucha; also known as simply MS or Mara) is an international criminal gang that originated in Los Angeles, California, US in the 1980s. The gang later spread to many parts of the continental United States, Canada, Mexico, and Central America, and is active in urban and suburban areas. Most members are ethnically of Central American origin (principally El Salvador).
Document 9: American Mafia: The American Mafia (commonly shortened to the Mafia or Mob) or Italian-American Mafia, is a highly organized Italian-American criminal society. The organization is often referred to by members as Cosa Nostra (] , "our thing") and by the government as La Cosa Nostra (LCN). The organization's name is derived from the original ""Mafia"" or "Cosa nostra", the Sicilian Mafia, and it originally emerged as an offshoot of the Sicilian Mafia; however, the organization eventually encompassed or absorbed other Italian-American gangsters and Italian-American crime groups (such as the American Camorra) living in the United States and Canada that are not of Sicilian origin. It is often referred to as the Italian Mafia or Italian Mob, though these terms may also apply to the separate yet related organized crime groups in Italy.
Document 10: Jalisco New Generation Cartel: The Jalisco New Generation Cartel (Spanish: "Cártel de Jalisco Nueva Generación" , "CJNG" and "Matazetas") is Mexican criminal group based in Jalisco and headed by Nemesio Oseguera Cervantes ("El Mencho"), one of Mexico's most-wanted drug lords. The CJNG are currently fighting the Knights Templar Cartel and Los Zetas for control of the cities of Guadalajara, Jalisco and the states of Michoacán and Veracruz. The CJNG also operates in the states of Nayarit, Colima, and Guanajuato. While this cartel is best known for its fights against the Zetas, it has also been battling La Resistencia for control of Jalisco and its surrounding territories.
Document 11: Hermanos de Pistoleros Latinos: Hermandad de Pistoleros Latinos (HPL, a.k.a. Pistoleros Latinos or Cuetes) is a Latino prison gang founded by Chino Avitia in Texas during the early 1980s. The English translation of the gang's name is "Brotherhood of Latin Gunmen". It operates in all Texas prisons and on the streets in many communities in Texas, particularly in Laredo. HPL is active throughout Mexico with its largest contingent in Nuevo Laredo. The gang is structured and is estimated to have 1,000 members. Members maintain close ties to several Mexican drug trafficking organizations and are involved in the trafficking of large quantities of cocaine and marijuana from Mexico into the United States for distribution.
Document 12: Vatos Locos: Vatos Locos (in English, "Crazy Dudes") is a Street gang. Gangs using this name are active in several American states, Europe and Africa. The Vatos Locos originated in East LA but have extended their presence to Florida, Fort Pierce, Florida. They are mainly active in Fort Pierce's South 18th Street area by Delaware and around South 33rd Street and Orange Avenue. They represent their gang affiliation with black bandanas worn in the back right pocket of their pants. Their graffiti consists of "Vatos Locos," the Lowrider logo, or Lil Rob. These images are also present in gang tattoos. Vatos Locos are mainly Mexicans or Chicanos. Their dress consists of black shirts and khaki pants or shorts, and jewelry of chains or crosses. Most are supporters of the Oakland Raiders football team and show this by wearing similar colors.
Document 13: Barrio Azteca: The Barrio Azteca (] ), or Los Aztecas (] ), is a Mexican-American gang originally based in El Paso, Texas. The gang was formed in the jails of El Paso in 1986 and expanded into a transnational criminal organization. They are currently one of the most violent gangs in the United States and are said to have over 3,000 members in the U.S. in locations such as New Mexico, Texas, Massachusetts and Pennsylvania and at least 5,000 members in Ciudad Juarez, Mexico.
Document 14: Los Zetas: Los Zetas (] , Spanish for "The Zs") is a Mexican criminal syndicate. Considered by the US government to be "the most technologically advanced, sophisticated, efficient, violent, ruthless, and dangerous cartel operating in Mexico", the organization has expanded beyond the traditional purview of drug trafficking and also runs profitable sex trafficking and gun running rackets. The origins of Los Zetas date back to the late 1990s when commandos of the Mexican Army deserted their ranks and began working as the enforcement arm of the Gulf Cartel. In February 2010, Los Zetas broke away from their former employer and formed their own criminal organization.
Document 15: List of Mexico's 37 most-wanted drug lords: This is a list of Mexico's 37 most-wanted drug lords as published by Mexican federal authorities on 23 March 2009. According to a "BBC Mundo" Mexico report, the 37 drug lords "have jeopardized Mexico's national security." As of 8 January 2016, 25 drug lords have been captured, eight have been killed and four remain fugitives.
ground_truth: MS-13