Osiel Cárdenas Guillén
Osiel Cárdenas Guillén is a Mexican drug lord and the former leader of the Gulf Cartel and Los Zetas. Originally a mechanic in Matamoros, Tamaulipas, he entered the cartel by killing Juan García Abrego's friend and competitor Salvador Gómez, after the former's arrest in 1996. As confrontations with rival groups heated up, Osiel Cárdenas sought and recruited over 30 deserters from the Grupo Aeromóvil de Fuerzas Especiales to form the cartel's armed wing. Los Zetas served as the hired private mercenary army of the Gulf Cartel.
- Gregorio Sauceda-Gamboa
- Gregorio Sauceda Gamboa is a Mexican illegal drug trafficker of the Los Zetas, when Los Zetas were the armed wing of the Gulf Cartel
- Sergio Villarreal Barragán
- Sergio Enrique Villarreal Barragán, a.k.a. El Grande,, is a Mexican former federal police officer who then worked as a lieutenant for Arturo Beltrán Leyva of the criminal organization called the Beltrán Leyva Cartel. He got his name El Grande because
- Héctor Beltrán Leyva
- Héctor Manuel Beltrán Leyva was a Mexican drug lord and leader of the Beltrán Leyva Cartel, a drug-trafficking organization. He was the brother of Arturo Beltrán Leyva (deceased), former leader of the cartel. Héctor was the second-in-command and rose
- José de Jesús Méndez Vargas
- José de Jesús Méndez Vargas, commonly referred to by his alias El Chango, is a Mexican drug lord and former leader of the now disbanded La Familia drug cartel, headquartered in the state of Michoacán
- Dionisio Loya Plancarte
- Dionisio Loya Plancarte is a Mexican drug lord and high-ranking leader of the Knights Templar Cartel, a quasi-religious criminal organization based in the state of Michoacán. He is the uncle of Enrique Plancarte Solís, another former high-ranking leader
- Omar Treviño Morales
- Óscar Omar Treviño Morales is a Mexican convicted drug lord and former leader of Los Zetas, a criminal organization. He was one of Mexico's most-wanted drug lords. His brother is Miguel Treviño Morales, a former leader of the group. The authorities
- Luis Fernando Sánchez Arellano
- Luis Fernando Sánchez Arellano, commonly referred to by the alias El Ingeniero ("The Engineer"), is a Mexican suspected drug lord and former leader of the Tijuana Cartel, a drug trafficking organization based in Tijuana, Baja California. He competed with
- Benjamín Arellano Félix
- Benjamín Arellano Félix is a Mexican former drug lord who alongside his brothers founded and led the Tijuana Cartel or "Arellano-Félix Organization” until his arrest in March 2002
- Arturo Beltrán Leyva
- Marcos Arturo Beltrán Leyva was a Mexican drug lord who, alongside his brothers, founded and led the Beltrán-Leyva Cartel. Prior to founding his own organization, Beltran-Leyva was a longtime high-ranking member of the Sinaloa Cartel. His organization
- Villa Jiménez
- Villa Jiménez is a town and the municipal seat of the municipality of Jiménez in the Mexican state of Michoacán