Agents use DNA to nab shark fin traders

DANIA BEACH, Fla. - Federal enforcement agents spotted the suspicious bag while touring the building of a New York seafood dealer on a routine visit. Amid a half-ton of shark fins destined for Asia was a large nylon bag labeled "blanco," Spanish for white. Could the fins be from great white sharks? If so, the trader was in violation of strict laws protecting the species. Another nearby bag was labeled "baxin," possibly short for the protected basking shark, and agents wondered how many of the fins ...