Three ` ` drug vessels '' intercepted in past two weeks , Coast Guard says . Crew members sank all three , along with others , officials say . Once caught , suspected smugglers often `` scuttle , '' or sink , the subs , sending both vessel and cocaine to the bottom of the sea . Lack of physical evidence often prevents criminal prosecutions . New law makes it a felony to travel through international waters in the Caribbean .
Three ` ` drug vessels '' intercepted in past two weeks , Coast Guard says . Crew members sank all three , along with others , officials say . Lack of physical evidence often prevents criminal prosecutions . New law makes it a felony to travel through international waters in the Caribbean .