Notes
1. Some notable works include Amuchastegui, 'Cuban Intelligence and the October Crisis', 88–119; Lefebvre, 'Cuban Intelligence Activities Directed at the United States, 1959-2007', 452–469; Carmichael, True Believer.
2. See also Satter, It Was a Long Time Ago, and It Never Happened Anyway: ; Krechetnikov, 'Moscow Theatre Siege', BBC News, (24 October 2012) < https://www.bbc.com/news/world-europe-20067384> (last accessed 1 February 2020); Scott Peterson, 'Gas Enters Counterterror Arsenal’,; Pilch and Dolnik, 'The Moscow Theatre Hostage Crisis', 577–611.
3. Prunckun, 'A Grounded Theory of Counterintelligence’, 6.
4. James Olson, 'A Never-Ending Necessity'.
5. Olson is not the only CIA staff member to notice Ames’s drinking problem and stay silent. See United States, Congress, Senate, Select Committee on Intelligence, An Assessment of Aldrich H. Ames and its Implications for U.S. Intelligence, 6.
6. Federal Bureau of Investigation, 'History: Robert Hanssen’,
7. Duration of years Olson served in the CIA briefly discussed in an interview with The Eagle: Wiley, 'Former CIA Operative'.