**FILE** An open bundle of marijuana seized at a warehouse in San Diego along the border between the United States and Mexico on Nov. 3, 2010, is seen here. A 600-yard tunnel was discovered in the warehouse. U.S. authorities found 20 tons of marijuana near the tunnel. (Associated Press)

Photo by: Lenny Ignelzi

**FILE** An open bundle of marijuana seized at a warehouse in San Diego along the border between the United States and Mexico on Nov. 3, 2010, is seen here. A 600-yard tunnel was discovered in the warehouse. U.S. authorities found 20 tons of marijuana near the tunnel. (Associated Press)