John F. Hein is an adjunct instructor of criminal justice for the American Public University System and a retired executive of the former U.S. Customs Service. Hein served 35 years in civilian and military security and law enforcement agencies. Hein supported, supervised or conducted employee internal investigations for the U.S. Department of Transportation, Office of Inspector General, then for the former U.S. Customs Service, Office of Internal Affairs, and, as a reservist, the U.S. Air Force Office of Special Investigations. He was a deputy sheriff prior to his service as a federal criminal investigator.
John Hein
Inside Internal Affairs