The world's most notorious spies
Ethel and Julius Rosenberg were sentenced to death for espionage 70 years ago today
© Getty Images
For the most part, spying is all about committing treason, carrying out espionage, and betraying one's country. But among the spies listed here are one or two genuine heroes whose supreme acts of bravery and selflessness saved many lives and helped end wars.
Click through this veritable rogue's gallery of treacherous individuals and find the good among the bad.
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