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