• ‘A clever agent’: notes from ‘watchers’ of spy Kim Philby made public for first time

    ‘A clever agent’: notes from ‘watchers’ of spy Kim Philby made public for first time
    A new exhibition at the National Archives in London will reveal the extent of MI5 operation to expose the British double agent who was also Observer reporterSecret surveillance of Britain’s ­notorious double agent, Kim Philby, made public for the first time in archived documents, reveals how keenly the Security Service wanted to confirm or disprove early suspicions of his high-level treachery.In daily bulletins submitted to MI5 in November 1951, undercover operatives describe how Philb

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