Inside the first ‘narco-submarine’ caught after crossing the Atlantic

In a craggy bay here early one morning last year, police watched three men clamber from the hatch of a curious vessel barely breaking the surface of the Atlantic Ocean. The 66-foot craft slowly sank as the men swam ashore, where officers grabbed two of them. Police struggled for two days to tow their waterlogged quarry to port, where they found roughly 3 metric tons of cocaine onboard, worth some $100 million. For the first time, they had captured a formidable vessel in drug runners’ flotilla: a trans-Atlantic “narco-submarine." South America is awash with cocaine, and traffickers are turning to new ways of getting it to Europe, which the U.S. Drug Enforcement Administration says may have...