This email is a response to a Bureau wide memo sent by Steve McCraw to illicit information from FBI agents who toured through Guantanamo Bay to report any suspected or witnessed abuse of detainees at Guantanamo Bay. This FBI agent touring through Guantanamo stated the following: "I did not personally observe aggressive treatment of detainees. I am aware however, that detainees could be identified to be placed on a list for a specific interrogation technique involving interruption of sleep pattern called [the] "frequent flyer program”.