A U.S. Immigration and Customs Enforcement (ICE) agent walks in a tunnel Thursday, Dec. 2, 2010, in San Diego which authorities found Nov. 25, and say was used to carry drugs into the United States to... more 
A U.S. Immigration and Customs Enforcement (ICE) agent walks in a tunnel Thursday, Dec. 2, 2010, in San Diego which authorities found Nov. 25, and say was used to carry drugs into the United States to an Otay Mesa warehouse. ICE agents are seeking help from Otay Mesa warehouse owners and tenants after the discovery of two major cross-border drug tunnels last month that resulted in seizueres of about 50 tons of marijuana. less 
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Associated Press | Photo By Gregory Bull
Sun, Dec 5, 2010 1:00 PM EST