The birthplace of one of Mexico’s most infamous drug cartels looks more and more like its graveyard. Gunmen and associates of the Arellano Felix cartel, rulers of the city’s criminal underworld for two decades, are being massacred by the score. Their mangled bodies turn up in garbage-strewn lots, a dozen at a time. Killers cut out their tongues, slice off heads, and leave behind taunting messages. Two barrels of industrial acid left on a sidewalk last week are believed to contain liquefied human remains. Full Story