In 1970, the U.S. CUSTOMS SERVICE faced a shrinking inspectional staff, a flood of illegal NARCOTICS, and an increasing load of vehicles and passengers entering the United States. In that same year a manager in the U.S. Customs Service thought that dogs could be used to detect illegal narcotics. The manager's name has been lost in the corporate history of the Customs Service, yet years later not only are dogs used to detect narcotics but also currency, weapons, explosives, fruits, and meats. Dogs could be trained to detect anything that produces an odor. Although the idea of narcotic detector dogs originated in the U.S. Customs Service, Customs' managers had to go to the U.S. Air Force for the technical expertise—not in narcotic detection, because it did not exist, but dog training in general. The air force loaned the...