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Charts & Graphs
How to recruit an OSS agent.
Fifteen hundred years of industrial espionage.
Field instructions for agents of the Stasi, the secret police agency of the East German government.
Hidden messages, deceptive objects.
Agents in the field.
The demise of spies.
Secret messages, from Caesar to Snowden.
Code names used by the NSA.
False flags and secret agendas.
Pop lyricists share their surveillance concerns.