Sam Clay of the Fairfax County (Virginia) Public Library interviews John F. Sullivan, author of Gatekeeper: Memoirs of a CIA Polygraph Examiner, in a podcast released on Friday, 7 March 2008. The interview may be either listened to on-line or downloaded as an MP3 file.
For discussion of Sullivan’s book and experience, see the message threads Gatekeeper: Memoirs of a CIA Polygraph Examiner and CIA’s Most Experienced Polygrapher Failed CIA Polygraph After Writing Unwelcome Book on CIA Polygraph Division! on the AntiPolygraph.org message board.