Some are considered the bravest of heroes while other are viewed as treacherous and traitors.

From Mata Hari to Aldrich Ames, these are the great spies in history...

Espionage is the world's second oldest profession and the professionals set the path for world history.

See the background andhistory of the world's greatest spy agencies...

In the world of espionage, one event can trigger a realignment in world power and a change in the course of history.

From the Cambridge Spy Ring to the Profumo Affair, these are great moments in time...

While Jammes Bond's gadgets may look like works of science fiction, most alreay exist in the world of espionage.

From miniature cameras to poison darts, these are the gadgets that turn the tide...