https://www.livescience.com/40172-declassified-military-cia-secrets.html
https://www.cia.gov/about-cia/history-of-the-cia/index.html
https://en.wikipedia.org/wiki/Federal_Security_Service
https://www.rbth.com/science-and-tech/330736-3-most-famous-operations-of-alpha
https://www.nytimes.com/2019/09/09/us/politics/cia-informant-russia.html
https://www.telegraph.co.uk/news/2017/01/19/9-incredible-things-learnt-cias-declassified-documents-aliens/
https://www.telegraph.co.uk/news/2017/01/18/uri-geller-convinced-cia-psychic-warrior/
https://www.theatlantic.com/politics/archive/2012/07/the-terrifying-background-of-the-man-who-ran-a-cia-assassination-unit/259856/