Widening the definition of terrorism could overwhelm the police and MI5, the lawyer carrying out a review of the definition has warned. Jonathan Hall KC, the independent reviewer of terrorism ...

Concerns have been raised about the role of MI5 operations directed against journalists and the ‘inability’ of a PSNI-linked surveillance review to investigate the covert agency. Details of MI5’s ...

Papers released by MI5 show that although Blunt confessed to them he had spied for the Russians during World War Two, the ...

A former civil servant claims he developed a rare terminal cancer because he was exposed to deadly asbestos dust while working at MI5's London headquarters. Stuart Beaton, 61, from Croydon ...

Some MI5 material relating to its involvement with a teenager who was charged with terrorism before taking her own life is being "withheld" from her inquest but is "not a cause for concern", a hearing ...

Though many apply, only a few have the skills and patience to make it as a “watcher”, an MI5 training manual published for the first time by the National Archives reveals. Despite the rise in ...

A 17-page official MI5 guide on ‘observation’ declassified today reveals that bosses considered the ideal spy was ‘born and not made’, with many candidates lacking the patience required ...

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified documents from MI5. The documents are part of a new exhibition on display at ...

However, a Second World War guide produced by MI5 for prospective agents concluded that the ideal “watcher” was “born and not made”. The 17-page guide, which was compiled for “officers ...

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