A South Texas sheriff is warning visitors who cross the border into the Mexican state of Tamaulipas about potential violence after two high-ranking cartel members from Los Zetas were recently ...

were the ex-leaders of Los Zetas, a violent cartel made up of former Mexican military officers that started as an armed militaristic wing of the Gulf Cartel, the Department of Justice said.

"After their arrests, the defendants allegedly renamed Los Zetas to Cartel del Noreste (CDN) and continued to control the cartel while incarcerated in Mexico," it added. The State Department said ...