Wednesday, November 18, 1998 Published at 16:21 GMT
Timeline - David Shayler's MI5 secrets
David Shayler said his motive to expose the MI5 was political
Former MI5 officer David Shayler has won his battle against extradition from France. He is charged with breaking the Official Secrets Act after going to the press in August.
24 August 1997
Among his claims were that the intelligence service was paranoid about "reds under the bed" and that it had investigated Labour ministers Peter Mandelson, Jack Straw and Harriet Harman.
Miss Machon is questioned for six and a half hours by Special Branch officers and released on police bail.
31 March 1998
He does not publish it but tells The Spectator magazine that it includes evidence of how the 1993 IRA Bishopsgate bomb, which killed one person and caused £1bn of damage, could have been avoided.
He says Mr Shayler's motive was commercial because a Sunday newspaper had paid him for his story.
French judges rule that his motive in exposing secrets did not amount to grounds for extradition.