More than 32 tons of marijuana were found last week in an underground tunnel along the U.S.-Mexico border. It was one of the largest pot busts in U.S. history. Host Audie Cornish talks with Derek Benner, a U.S. Immigration and Customs Enforcement special agent, about the tunnel they found and the seasonal aspects of the drug trade.
Historic Drug Bust Highlights Underground Network
By editor • Dec 4, 2011