A wave of drug violence has engulfed parts of Mexico as the army confronts savage narcotics cartels that are flush with drug money and guns from the U.S.

• 毒品暴力浪潮席卷墨西哥部分地区。军方面对着猖狂的贩毒集团的挑战。这些贩毒集团拥有大量来自美国的资金和武器。