U.S. authorities say 12 tons of contraband have been seized and 22 people arrested in connection with a cross-border tunnel to Mexico that runs the length of eight football fields.
The U.S. attorney’s office in San Diego said Thursday that the passage connecting warehouses in Tijuana, Mexico, and San Diego was lit, ventilated and equipped with a rail system.
Six people were arrested in the U.S. and 16 in Mexico following raids on Wednesday. Two tons of contraband were seized in the U.S. and 10 in Mexico.
U.S. Homeland Security Investigations began investigating in May.