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 ...

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 ...

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 ...

Newly released MI5 files reveal that, for nearly 10 years, the late monarch didn’t know that royal household member Anthony Blunt was actually a Soviet double agent. According to the BBC ...

MI5 personnel are caught up in a traffic jam in London while escorting the CIA's most wanted terrorist to an arranged CIA handover point, when he is suddenly rescued by armed men on motorbikes.