MI5 is in serious trouble. Britain’s domestic secret intelligence agency has become the story. A neo-Nazi thug who attacked his girlfriend with a machete happened to be a paid undercover agent ...

there is still enough field work that the Slow Horse team gets involved in. However, going by the accounts of real-life MI5 ...

MI5 lied to three courts while defending its handling of a misogynistic neo-Nazi state agent who attacked his girlfriend with a machete, the BBC can reveal. Arguing for secrecy, the Security ...

Spies lie, but they are not meant to get caught. On a wet Friday evening in December, three MI5 lawyers sat in a room at the BBC's headquarters in London. On the other side of the table were the ...

A vulnerable teenage girl who is believed to have killed herself after her terror charges were dropped was investigated by MI5 until her death, an inquest has heard ...

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 ...

At a hearing today, the court in London heard that part of written evidence provided by MI5, reported to be from a deputy director in the Security Service, was false. Jude Bunting KC, for the BBC ...

British spy agency MI5 has apologized to the BBC. The unprecedented situation arose after MI5 was forced to say sorry to three courts for lying about a neo-Nazi agent who attacked his girlfriend ...

The High Court heard on Wednesday that part of written evidence provided by MI5 was false, and the court was “misled”. Jude Bunting KC, for the BBC, said the investigatory powers tribunal ...

MI5 workers improperly held people's intercepted data for nearly five years, an independent tribunal concluded on Monday, criticising the spy agency for its "serious failings." The Investigatory ...