NEW from True Spies: Brief Histories. From Egyptian codebreaking, to USB sticks with the power to cripple nuclear facilities, this week hear the long evolution of tradecraft. In Brief Histories, the new monthly special from True Spies, series producer Joe Foley is your guide to the evolution of this secret world - alongside a treasure-trove of expert knowledge from our archive. From SPYSCAPE, the home of secrets and skills. A Cup And Nuzzle production. Series producer: Joe Foley.

Learn more about your ad choices. Visit megaphone.fm/adchoices