The Cambridge spy Kim Philby declared he would have done it all again after he finally confessed that he had been for years a Russian agent, according to newly-declassified intelligence files.
The dramatic moment in January 1963 when he owned up to his treachery after being confronted by his oldest friend, and fellow MI6 officer Nicholas Elliott, is vividly captured in a transcript of their conversation released to the National Archives in Kew, west London.
