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?
Independent Cartel of Acapulco:  After the Mexican military gunned down the top boss of the cartel – Arturo Beltrán Leyva – in December 2009, his brother Héctor Beltrán Leyva took control of one of the factions of the cartel and declared war on Edgar Valdez Villarreal, who had long been the right hand of Arturo. Edgar Valdez Villarreal: Edgar Valdez Villarreal (born August 11, 1973) also known as La Barbie ("The Barbie"), is a Mexican American suspected drug lord and leader of the Beltrán Leyva Cartel, a criminal group based in Sinaloa.
Sinaloa