Gunmen working for Los Zetas, considered Mexico’s most violent drug cartel, murdered at least 29 farmworkers over the weekend in a community in northern Guatemala near the Mexican border, officials said.The bodies were found Sunday at the Los Cocos ranch outside the city of La Libertad, located about 630 kilometers 391 miles north of Guatemala City, National Civilian Police, or PNC, deputy chief Gerson Oliva said.
