Airport security takes as its priority the safety of aircrafts, passengers, crew, and cargo traveling from one destination to another. A number of different security measures exist in various airports within the United States and globally to maintain this safety. The increasing volume of travel and cargo moved as a result of globalization and the increased threat posed by transnational terrorist groups such as al Qaeda have prompted major upgrades to security tools utilized by airports and government agencies. Profiling and interviewing techniques, closed-circuit television (CCTV) cameras, biometric data, backscatter X-ray machines, millimeter wavelength detectors, passport checks, and data interception have become common practices for major international airports. These surveillance measures provide airport security officials with a number of critical tools for intercepting threats made ...