[PAR] [TLE] Osiel Cárdenas Guillén [SEP] Osiel Cárdenas Guillén (born May 18, 1967) is a former Mexican drug lord and the former leader of the Gulf Cartel (Spanish: "Cártel del Golfo" ) and Los Zetas.  Originally a mechanic in Matamoros, Tamaulipas, where he was born, he entered the Gulf Cartel by helping Juan García Abrego, the capo at the time; when García Ábrego was arrested in 1996, some infighting erupted within the cartel.  Osiel Cárdenas eventually took control by killing his friend and contender Salvador Gómez, earning Cárdenas the nickname ""El Mata Amigos"" (The Friend-Killer). [PAR] [TLE] Gulf Cartel [SEP] The Gulf Cartel (Spanish: "Cártel del Golfo" , "Golfos", or "CDG") is a criminal syndicate and drug trafficking organization in Mexico, and perhaps one of the oldest organized crime groups in the country.  It is currently based in Matamoros, Tamaulipas, directly across the border from Brownsville, Texas.
[PAR] [TLE] Osiel Cárdenas Guillén [ SEP ] Osiel Cárdenas Guillén ( born May 18 , 1967 ) is a former Mexican drug lord and the former leader of the Gulf Cartel ( Spanish : " Cártel del Golfo " ) and Los Zetas . Originally a mechanic in Matamoros , Tamaulipas , where he was born , he entered the Gulf Cartel by helping Juan García Abrego , the capo at the time ; when García Ábrego was arrested in 1996 , some infighting erupted within the cartel . Osiel Cárdenas eventually took control by killing his friend and contender Salvador Gómez , earning Cárdenas the nickname " " El Mata Amigos " " ( The Friend - Killer ) . [PAR] [TLE] Gulf Cartel [ SEP ] The Gulf Cartel ( Spanish : " Cártel del Golfo " , " Golfos " , or " CDG " ) is a criminal syndicate and drug trafficking organization in Mexico , and perhaps one of the oldest organized crime groups in the country . It is currently based in Matamoros , Tamaulipas , directly across the border from Brownsville , Texas .
Osiel Cárdenas Guillén was the leader of the syndicate that was part of what country?
Osiel Cárdenas Guillén was the leader of the syndicate that was part of what country ?
Mexico
Mexico