Espionage History 3 Secret service 2 Trials (Espionage) 2 Trials (Political crimes and offenses) 2 20th century 1 American Politics 1 CIA America 1 Ciphers 1 Cryptographers 1 Cryptography 1 Drug & Arms Trafficking 1 FICTION 1 Foreign relations 1 ISRO 1 Intelligence service 1 International Relations 1 Internet in espionage 1 Multinational Crime 1 Nambi narayanan 1 Neutrality 1 Nineteen fifties 1 Science 1 Shakespeare, William 1 Spy 1 Subversion 1 Technology transfer 1 Terrorism 1 Transnational crime 1 Women radio producers and directors 1