The discussions also considered enforcement efforts and policies related to airport security, airport and airline personnel, and terrorism prevention. Speakers included representatives of U.S. Attorneys' Offices, the U.S. Customs Service, the FBI, New York City, and the police for the Port Authority of New York and New Jersey. They noted that an estimated $200 to $300 million worth of narcotics trafficking comes through the Port Authority, based on projections and seizures. They also reported that drugs come through the airport from many nations, although the biggest amounts have involved Asian, Indian, and Pakistani groups. The groups involved in drug trafficking are less sophisticated and less hierarchical than the Mafia. Penetration of these groups is difficult, because they trust only members of their own ethnic group and speak different languages. Tables and written testimony.