Transcript for Tunnel Along US-Mexico Border Loaded With Drugs
Score one for the good guys in the war on drugs US immigration and customs officials discovered shot down -- highly sophisticated tunnel. Used to smuggle drugs from Tijuana Mexico. In the San Diego. Inside this tunnel eight tons of marijuana and several hundred pounds of cocaine. If it sounds familiar it is because since 2008 more than 75 drug tunnels have been uncovered under the US Mexico border. That area is especially popular because the soil is easy to dig with numerous warehouses in San Diego the tunnel toward.
This transcript has been automatically generated and may not be 100% accurate.