Question: In which region is this crminal group based whose leader served as the right hand of Arturo Beltrán Leyva who was gunned down by the Mexican military?
Sentence (from "Independent Cartel of Acapulco"): The criminal group came into existence during the rapid decentralization of Mexico's drug trafficking organizations and as a split-off group of the Beltrán Leyva Cartel.
Relevant evidence: No