https://www.patreon.com/ruinedheroes

https://www.ruinedheroes.com/home-1

Theme music by Tyler C. Dones and Jon Bolich

Primary Sources:
https://www.sis.gov.uk/our-history.html

https://www.mi5.gov.uk/history

https://www.wikiwand.com/en/British_intelligence_agencies

https://military.wikia.org/wiki/British_intelligence_agencies