Drug lord "El Chapo" taken down by snitches, wiretaps

      |U.S. law enforcement played a crucial role in tightening the dragnet around Mexican drug lord Joaquin "El Chapo" Guzman, who had eluded capture for 13 years until Saturday. Guzman could now be at the center of a legal tug of war between the United States and Mexico. Bob Orr follows the trail that led to Guzman's capture.

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