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 ...

MI5 was still investigating a vulnerable teenage girl until her death even after terrorism charges were dropped, an inquest has heard. Rhianan Rudd, from Bolsover in Derbyshire, was the youngest ...

The Jones review said that, because no formal record was made of the calls, by the time MI5 was preparing evidence the "only first-hand evidence available was Officer 2's personal recollection".

She is pursuing a formal complaint at an independent court, called the Investigatory Powers Tribunal (IPT). Judges ruled much of the case should be held in secret after MI5 said it does not ...

A decision on whether to issue contempt of court proceedings over false evidence given to the High Court by an MI5 officer ...

An MI5 agent “deliberately and repeatedly lied” after confirming to a journalist that a violent and misogynistic neo-Nazi was operating as an undercover source, a court has heard.

MI5 pushed ahead with a terrorist inquiry into a teenager later found dead in a suspected suicide, despite knowing she was vulnerable, an inquest has heard. Officers raised concerns about the risk ...

MI5 files not deliberately withheld from Stakeknife probe, review concludes The review was carried out after the material was discovered last year.

More than 300 people affected by the Manchester Arena bombing cannot continue their legal action against MI5, judges at a specialist tribunal have ruled.

Director General of MI5 pointed to new threats from nations like Russia and a 'resurgent' Islamic State, saying his agency had 'one hell of a job on its hands' ...

MI5 was still investigating a vulnerable teenage girl until her death even after terrorism charges were dropped, an inquest has heard.