Five Cambridge University graduates served as double agents, leaking highly classified information to the Soviet Union ...

WWII-era guide for UK spies to go on display Avoid facial disguises, carry loose change and be ready to make split-second decisions: just some of the advice Britain's domestic spy agency gave recruits ...

Welcome to Nat Geo Your Shot: National Geographic’s global community for aspiring visual storytellers. Find the community on Instagram @NatGeoYourShot and follow along for hashtag challenges ...