MEXICO: Los Zetas is a Mexican criminal syndicate considered by the US government to be "the most technologically advanced, sophisticated, efficient, violent, ruthless & dangerous cartel operating in Mexico".
Report: Zetas controlled all levels of power in Mexican state, expanded to Houston
A report from the University of Texas said Los Zetas cartel controlled governors in Mexico and expanded to Texas and other U.S. regions.
A gun battle in the Mexican border city of Reynosa claimed the life of Galindo Mellado Cruz, one of the founding members of the brutal drug cartel known as Los Zetas. His death was confirmed by the reputable drug war news site Borderland Beat on Monday.