At the heart of the case is the violent abuse of a woman by a state agent under MI5's control. After the BBC began ...

A ruling by London's High Court cited the domestic intelligence agency's failure to explain why representatives had ...

Earlier investigations into evidence in case of neo-Nazi state agent were "deficient", judges rule.

The High Court has ordered a "robust and independent" new investigation into how MI5 gave false evidence to multiple courts, after rejecting two official inquiries provided by the Security Service ...

The High Court orders a "robust and independent" investigation into how MI5 gave false evidence to multiple courts The ruling comes after the BBC revealed MI5 had lied to three courts in a case ...

Premature’ to decide whether MI5 should face contempt probe, judges rule - MI5 previously said there had been ‘failings and ...

The home secretary says the government accepts the high court’s ruling that an independent investigation should take place.

The horror of Kincora: MI5, Mountbatten, Ian Paisley, the Orange Order and the sexual abuse of children during Ulster’s Troubles ...

A victim of abuse at Kincora Boys' Home has received an undisclosed settlement after claims a paedophile housemaster was protected from being prosecuted due to being an MI5 agent. Gary Hoy, 63, sought ...

The daring plot, in which a homeless man's corpse was planted in the sea to fool Hitler into changing tactics, has gone down in history. But until now no-one knew how important was the role of MI5 ...

MI5 on alert for 'attacks from Iran' as 'soft-touch' UK vulnerable EXCLUSIVE: The expert raised fears of possible attacks on the UK.