This photo provided by the U.S. Immigration and Customs Enforcement shows an incomplete pipeline-style smuggling tunnel that originated beneath the floor of a vacant supermarket in Calexico, Calif., ... more 
This photo provided by the U.S. Immigration and Customs Enforcement shows an incomplete pipeline-style smuggling tunnel that originated beneath the floor of a vacant supermarket in Calexico, Calif., Friday, Aug. 26, 2011. ICE says the incomplete pipeline-style tunnel was discovered Thursday after a hazardous materials team responded to a report of a possible gas leak at the former Vons store. (AP Photo/ICE) less 
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Associated Press | Photo By ICE
Fri, Aug 26, 2011 10:21 PM EDT