Use of Semi-Submersibles as Drug Smuggling Craft on the Rise

According a new article from CNN International, drug smugglers are adapting to Coast Guard and DEA tactics for apprehending and stopping drug smuggling vessels at sea. In recent years, the use of semi-submersible vessels, assembled at great cost in pieces in the Columbian jungle, was a microcosm of the overall smuggling enterprise. Today, the use of difficult to detect, harder to stop submersibles is becoming more common. Adm. Thad Allen said that the Coast Guard's counter-narcotics efforts are witnessing more of these vessels, and intelligence officials expect the number to rise. What's next?

See video of a semi-sub intercept here.