Mexico's Drug Cartels And The U.S. Murders, kidnappings, beheadings, grenade attacks and daylight shoot-outs have all become common in Mexico's war against powerful drug cartels. Increasingly, cartel violence is spilling into the United States. In a three-part series, NPR reports on the Mexican drug cartels' influence both south and north of the border.
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Mexico's Drug Cartels And The U.S.