Mexican drug cartels infiltrating colleges and high school campuses in America (tags)
One of the main suspects in this international drug investigation is Omar Castaneda, a gang member from Pomona with ties to the Mexican Tijuana drug cartels, officials said
They're known as "Los Zetas (tags)
The men are known as the Zetas, former members of the Mexican army who defected to Mexico's so-called Gulf drug cartel in the late 1990s