SAN DIEGO - Federal authorities in San Diego have made one of the largest marijuana seizures in the United States, confiscating 20 tons of pot near an underground tunnel connecting warehouses on either side of California's border with Mexico, officials said Wednesday.
John Morton, left, the Director of Immigration and Customs Enforcement inspects a bundle of marijuana with Joe Garcia, assistant agent in charge for Homeland Security Investigations, at a warehouse along the border between the United States and Mexico where 15 tons of marijuana was seized Wednesday, Nov. 3, 2010, in San Diego. A 600 yard tunnel was discovered in the warehouse. (AP Photo/Lenny Ignelzi)
John Morton, left, the Director of Immigration and Customs Enforcement inspects a bundle of marijuana with Joe Garcia, assistant agent in charge for Homeland Security Investigations, at a warehouse along the border between the United States and Mexico. U.S. authorities have discovered 20 tons of pot near a tunnel connecting warehouses on either side of California's border with Mexico on Wednesday, Nov. 3, 2010. (AP Photo/Lenny Ignelzi)
An open bundle of marijuana seized in at a warehouse along the border between the United States and Mexico on Wednesday, Nov. 3, 2010, in San Diego. A 600 yard tunnel was discovered in the warehouse. U.S. authorities have discovered 20 tons of pot near a tunnel. (AP Photo/Lenny Ignelzi)
John Morton, left, the Director of Immigration and Customs Enforcement points to the opening of a 600 yard tunnel found in a warehouse where 20 tons of marijuana was seized as he talks with Joe Garcia, assistant agent in charge for Homeland Security Investigations Wednesday, Nov. 3, 2010, in San Diego. (AP Photo/Lenny Ignelzi)
The opening of a 600 yard tunnel found in a warehouse along the border between the United States and Mexico with 20 tons of marijuana in the warehouse and ten tons in a truck outside Wednesday, Nov. 3, 2010, in San Diego. (AP Photo/Lenny Ignelzi)
Federal agents stand guard over 15 tons of marijuana seized in warehouse along the border between the United States and Mexico Wednesday, Nov. 3, 2010, in San Diego. Another ten tons was found in a truck outside the warehouse. (AP Photo/Lenny Ignelzi)