Mexican drug cartel moves from meth to iron ore mining | New York .Mar 17, 2014 . Iron ore "is their principle source of income," Castillo told the Associated Press. "They're charging $15 (a metric ton) for the process, from.mexico iron ore mining process,How Mexico's Cultish Cartel Got Big Into Iron Ore | MotherboardMar 17, 2014 . How Mexico's Cultish Cartel Got Big Into Iron Ore . from extraction to transport, processing, storage, permits and finally export," Castillo added,.
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