Who was Julio Alberto Castillo Rodríguez arrested with that was  suspected U.S.-born Mexican drug lord and former high-ranking leader of the Jalisco New Generation Cartel (CJNG)?
Rubén Oseguera González Rubén Oseguera González (born February 14, 1990), commonly referred to by his alias El Menchito, is a suspected U.S.-born Mexican drug lord and former high-ranking leader of the Jalisco New Generation Cartel (CJNG), a criminal group based in Jalisco. He is the son of Nemesio Oseguera Cervantes (alias "El Mencho"), one of Mexico's most-wanted drug lords. Under his father, he allegedly worked as the CJNG's second-in-command and managed international drug trafficking operations.
Fidel Castaño Fidel Antonio Castaño Gil a.k.a. Rambo was a right-wing Colombian drug lord and paramilitary who was among the founders of Los Pepes and the Peasant Self-Defense Forces of Cordoba and Uraba (ACCU), a paramilitary group which ultimately became a member of the larger United Self-Defense Forces of Colombia (AUC) from which he became its leader until his death in 1994. He was also the brother of Vicente Castaño, the presumed chief of the narco-paramilitary group "Águilas Negras", and Carlos Castaño Gil, founder and leader of the AUC paramilitary forces until his death. He is the grandfather of Gabriella Castaño.