Question: When the group who murdered Jaime Zapata form their own criminal organization?

full_context: Document 1: Adán Zapata: Adán Zapata Mireles or simply Adán Zapata was a Mexican singer within the genre of Hip-Hop / Rap. He was born and lived in the colony Mexico Lindo in San Nicolás de los Garza, Nuevo Leon. From 2006 he belonged to the group called Mente En Blanco (MEB) where he was lead vocalist and was the one that raised the group, until his murder in the colony "Los Morales" San Nicolás de los Garza, Nuevo Leon on June 1, 2012 At the age of 21 by an armed command of organized crime together with 3 other young members of the same group "Mind On Target", two of them were children of a former secretary of public security.
Document 2: Joaquín &quot;El Chapo&quot; Guzmán: Joaquín Archivaldo Guzmán Loera (] ; born on 25 December 1954 or 4 April 1957) is a Mexican drug lord who headed the Sinaloa Cartel, a criminal organization named after the Mexican Pacific coast state of Sinaloa where it was formed. Known as "El Chapo" ("Shorty", ] ) for his 168 cm stature, he became Mexico's top drug kingpin in 2003 after the arrest of his rival Osiel Cárdenas Guillén of the Gulf Cartel, and was considered the "most powerful drug trafficker in the world" by the United States Department of the Treasury.
Document 3: Jaime González Durán: Jaime González Durán (a.k.a. "El Hummer") is a former Mexican drug lord who was one of the 31 original founding members and third-in-command of the criminal organization known as Los Zetas. A former Mexican Army elite soldier of the Grupo Aeromóvil de Fuerzas Especiales (GAFE), he was trained in counter-insurgency and locating and apprehending drug cartel members. He deserted in the late 1990s and was hired along with 30 other ex-soldiers by the Gulf Cartel leader, Osiel Cárdenas Guillen as his private enforcement army.
Document 4: Jaime Zapata: Jaime Jorge Zapata (May 7, 1978 – February 15, 2011) was an Immigration and Customs Enforcement, Homeland Security Investigations Special Agent who was ambushed and murdered by the Mexican criminal group Los Zetas in San Luis Potosí, Mexico. He was one of the two agents that were ambushed in a part of the country that is increasingly under the influence of drug violence. Zapata's death is the second highest-profile killing of a U.S. agent in Mexico—the first one was Enrique Camarena, an undercover DEA agent who was tortured and murdered by the former Guadalajara Cartel.
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: Jaime Zapata (disambiguation): Jaime Zapata (1978 –2011) was a U.S. ICE agent, killed in Mexico.
Document 7: La Resistencia (gang): La Resistencia (English: "The Resistance"), also known as Cárteles Unidos (English: "United Cartels") is a Mexican criminal enforcer squad composed of well trained gunmen from the Sinaloa Cartel, Gulf Cartel and Knights Templar Cartel dedicated to killing or expelling the Los Zetas Cartel operatives from the states of Michoacán and Jalisco.
Document 8: Beltrán-Leyva Cartel: The Beltrán-Leyva Cartel (also known as the Beltrán Leyva Organization (BLO); Spanish: "Cártel de los Beltrán Leyva" ("CBL")) was a Mexican drug cartel and organized crime syndicate, headed by the five Beltrán Leyva brothers: Marcos Arturo, Carlos, Alfredo, Mario Alberto and Héctor. Founded as a branch of the Sinaloa Cartel, the Beltrán Leyva cartel was responsible for transportation and wholesaling of cocaine, heroin and marijuana (and the production of the last two). It controlled numerous drug trafficking corridors, and engaged in human smuggling, money laundering, extortion, kidnapping, murder and gun-running.
Document 9: Galindo Mellado Cruz: Galdino or Galindo Mellado Cruz (18 April 1973 – 9 May 2014), commonly referred to by his alias El Mellado and/or Z-9, was a Mexican suspected drug lord and one of the founders of Los Zetas, a criminal organization originally formed by ex-commandos from the Mexican Armed Forces. He joined the Mexican Army in 1992 and was part of the Grupo Aeromóvil de Fuerzas Especiales (GAFE), an elite special forces unit of the Army. In 1999, he withdrew from the military and was recruited by the Gulf Cartel, a drug trafficking organization, shortly thereafter.
Document 10: Jesús Enrique Rejón Aguilar: Jesús Enrique Rejón Aguilar (a.k.a. "Z-7", "El Mamito") is a former leader of the Mexican criminal organization known as Los Zetas. He was wanted by the governments of Mexico and USA until his capture on July 4, 2011 in Atizapán de Zaragoza, a Mexico City suburb.
Document 11: Jaime Zapata (Labor Department spokesman): Jaime Zapata is a partner at GMMB, a public affairs marketing firm. He was previously the Deputy Assistant Secretary for Public Affairs at the U.S. Department of Labor.
Document 12: John Clay Walker: John Clay Walker (October 5, 1948 - January 30, 1985) was an American journalist and aspiring novelist who was abducted, tortured and murdered in Mexico by members of the Guadalajara Cartel under orders of their leader Rafael Caro Quintero. Caro Quintero suspected Walker of working as an undercover U.S. Drug Enforcement Agent (DEA) while he lived in Guadalajara, Jalisco.
Document 13: Efraín Teodoro Torres: Efraín Teodoro Torres (died 3 March 2007) was a Mexican suspected drug lord and one of the founders of Los Zetas, a criminal organization formed by former soldiers of the Mexican Armed Forces. He joined the Mexican Army in mid-1991 but deserted after seven years of service. In 1998, Torres was recruited by the drug lord Osiel Cárdenas Guillén to join the ranks of the Gulf Cartel, a drug trafficking organization. The new group formed by ex-commandos came to be known as Los Zetas.
Document 14: 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 15: 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.
ground_truth: February 2010