How old is this video? Where the Gulf Cartel territory was they have been reduced drastically be Los Zetas. I want to say the Zetas control the Gulf Cartel territory now.
Los Zetas are gaining a lot of power and getting stronger as time goes on. They are responsible for a lot of the killings going on in Mexico right now. But Chapo and the Sinaloa cartel are still the major force down there.
