중남미

This paper is a report of the MA thesis “The Mexican Secretariat of National Defense SEDENA , organizational changes: 1937C2010”. The object of this article is to propose a descriptive analysis and conduct a revie of the increase of the Mexican military operations background and history, from the moment drug trafficking as conceived as a Mexico s national security threat. This derived in the fact of the deployment of the Army nation ide to perform high impact military operations to counter it, under an internal security environment characterized by the lack of strong and not corrupt internal security institutions that finally ended endorsing the military intervention and alongside the negative consequences for the civilCmilitary relations.