Jonathan Hall KC warned that football hooligans and criminal gangs could technically be classed as terrorists under Sir ...

Jonathan Hall KC, the independent reviewer of terrorism legislation, suggested the security services lacked the resources to ...

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified ...

Newly released MI5 files from the National Archives reveal that British intelligence monitored potential connections between French government interests and nationalist movements in Scotland and Wales ...

The documents, on display in the National Archives in Kew, West London, suggest the organisation was keen to dismiss any ...

Some MI5 material relating to its involvement with a teenager who was charged with terrorism before she took her own life is ...

A World War II-era guide to tailing a target, and files on notorious double agents such as Kim Philby, feature in MI5: ...

Some MI5 material relating to its involvement with a teenager who was charged with terrorism before taking her own life is ...

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...

Newly declassified files show the actor’s name was on a list of ‘practising British homosexuals’ passed to the Russians ...

Avoid facial disguises, carry loose change and be ready to make split-second decisions: just some of the advice Britain’s domestic spy agency gave recruits tailing subjects nearly a century ago.

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 ...