Mario Cárdenas Guillén is the brother of the Mexican drug lord who was the former leader of what group?
Mario Cárdenas Guillén Mario Alberto Cárdenas Guillén is a former leader of the Mexican criminal group called the Gulf Cartel. He is the brother of Osiel Cárdenas Guillén and Antonio Cárdenas Guillén.
Vicente Carrillo Leyva Vicente Carrillo Leyva (born in Mexico City, 19 July 1976) is a Mexican drug lord and a leader in the Juárez Cartel.