The tools in a spy's arsenal are more varied than you might think. But they all come under one name: Tradecraft. In our sixth round of insights from the world of espionage, Sophia Di Martino learns how to spy in a warzone, meets undercover journalists in Putin's Russia and investigates a CIA mole in our annual digest of the series so far. Could YOU master the craft? From SPYSCAPE, the HQ of secrets. A Cup And Nuzzle production. Series producer: Gemma Newby, Joe Foley. Produced by Alex Burnard. Music by Nick Ryan.