Information within and illustrated on maps, is according to the PGR agency, ( the premier investigative arm of the Attorney General of Mexico). Readers may identify discernible omissions of both cartels and subgroups, or disagree with given information, nonetheless, this is what Vanguardia is reporting.
They identify subgroups working for larger cartels, and the area of influence.
Groups who began as operational subgroups, or enforcer groups for a large cartels, sometimes become consolidated and splinter into an independent group.
Such is the case of the Independent Cartel of Acapulco (CIDA), Los Rojos and Los Ardillos, which splintered from the Beltran Leyva Organization.
Guerreros Unidos splintered from La Familia Michoacana. Cártel del Poniente/La Laguna, separated from cártel del Pacífico.
Specialized Investigation of Organized Crime (SEIDO) identifies the consolidation of at least seven groups, arising from the Beltran Leyva Organization, with presence mainly in Baja California Sur and Aguascalientes.
The organization of Chapo Isidro, whose name its leader Fausto Isidro Meza Flores, (alias El Chapo Isidro), is identified by US authorities as one of the main traffickers of marijuana and synthetic drugs.
Noted by the agency is that Cartel del Golfo, is without a premier leader but is now formed by numerous cell groups who generate their own operational structure, often with regional leaders.