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.
Knights Templar Cartel Knights Templar—Guard of Michoacán (Spanish: "Los Caballeros Templarios Guardia Michoacana") commonly known as the Knights Templar Cartel (Spanish: "Los Caballeros Templarios") is a Mexican criminal organization composed of remnants of the defunct La Familia Michoacana drug cartel based in the Mexican State of Michoacán.