“Survey of Federal Civilian Law Enforcement Functions and Authorities”. GAO.gov. Government Accountability Office (December 2007). May 2, 2018閲覧。 “Excluded from the total is the number of Transportation Security Administration’s (TSA) Federal Air Marshals, which is Sensitive Security Information (SSI).”
“Your daily FAA bill news fix”. politico.com. Politico (September 14, 2018). September 23, 2018閲覧。 “CHANGING OF THE GUARD: David Kohl has been named director of the Federal Air Marshal Service, [...] He and new FAMs Deputy Director Michael Ondocin will start Oct. 18.”