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In this photo released by Immigration and Customs Enforcement, an agent with ICE Homeland Security Investigations tests the safety of the air in the drug-smuggling tunnel discovered in Otay Mesa, California on November 3, 2010.
In this photo released by Immigration and Customs Enforcement, an agent with ICE Homeland Security Investigations tests the safety of the air in the drug-smuggling tunnel discovered in Otay Mesa, California on November 3, 2010.