Among Enemies

Each business day, some 35,000 executives, scientists, consultants, and lawyers pass through the nation's airports to destinations across the globe. They carry, along with proprietary documents and computer files, the latest in personal electronic gear. However, carefully watching most of those travelersbeginning the moment they arrive at the airport and often soonerare uncounted numbers of espionage operatives. These individuals work for foreign intelligence services and economic concerns and seek to separate international business travelers from their trade secrets. To succeed, they use…