DEA Agents teamed up with U.S. Immigration and Customs Enforcement (ICE) and other local authorities, discovered the entrance of a tunnel concealed at a business in San Luis, AZ. The tunnel crossed through the border into Mexico and was used to smuggle drugs into the U.S.
The tunnel ran 240 yards underground with its other entrance located in an ice plant in Mexico.
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According to the DEA, the entrance was hidden in a storage room beneath a water tank and the shaft descended some 55 feet deep into a corridor that had its walls up to 6ft high. The tunnel was sophisticated enough to have lighting and ventilation and was reinforced with beams.
Sources say that authorities believe that the tunnel might be linked to the Sinaloa Drug cartel.
DEA officers were monitoring the site for months after suspicions arose of the activities taking place in the location. Authorities found the location from tips that arose from Arizona troopers stopping a pickup truck with 39 pounds of methamphetamine on July 6.
On the Mexican side, the Mexican military intervened and inspected the ice plant.