Narco Tunnels of Border Town Nogales Show Sinaloa Cartel’s Power

If everyone had kept quiet, it could have been the most valuable parking spot on earth. Convenient only to the careworn clothing stores clustered in the southern end of downtown Nogales, Arizona, it offered little to shoppers, and mile-long Union Pacific trains sometimes cut it off from much of the city for 20 minutes at a time.

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