How a Soviet agent managed to fool the British intelligence service for years. Even after he'd been identified as a spy by the Americans, Kim Philby was allowed to stay in Britain. Show more
Discover 11,128,835 listings and 277,924 playable programmes from the BBC
How a Soviet agent managed to fool the British intelligence service for years. Even after he'd been identified as a spy by the Americans, Kim Philby was allowed to stay in Britain. Show more
The BBC's international radio station
