A suspected leader of Mexico 's Gulf Cartel has been arrested near the U.S. border , a Mexican official said Sunday . Mario Armando García Trevino was born near the U.S. border . He is a suspected leader of Mexico 's Gulf Mafia , one of the major drug - trafficking groups . The group has suffered a number of blows recently , including the arrests of two top lieutenants .
Mario Armando García Trevino was born near the U.S. border . He is a suspected leader of Mexico 's Gulf Mafia , one of the major drug - trafficking groups . The group has suffered a number of blows recently , including the arrests of two top lieutenants .