A BBC investigation revealed that the spy agency had lied to three courts about a misogynistic agent who used his MI5 role to ...

Rosalind Eleazar captures the grief hidden beneath MI5 outcast Louisa Guy’s steely exterior with a subtle and restrained ...

MI5 lied "deliberately and repeatedly" as it tried to defend its handling of a neo-Nazi agent who abused women, the BBC has ...

An MI5 agent “deliberately and repeatedly lied” after confirming to a journalist that a violent and misogynistic neo-Nazi was ...

The regulator rewrote a draft report which had contradicted MI5’s false evidence, the BBC can reveal.

Melita Norwood was the KGB's longest-serving female agent in Britain, until being exposed in 1992 by legendary defector ...

MI5 is facing fresh scrutiny in the case of a violent neo-Nazi agent after a High Court judge said he had "no confidence" in ...

IPCO’s investigation, initiated in 2022 after a BBC report revealed disturbing conduct by Agent X, originally found MI5 had ...

Prince Andrew demanded a face-to-face meeting with Sir Ken McCallum, the director of the UK’s MI5 security service, after his longtime close confidant was accused of being a Chinese spy.

The MI5 was 'actively tasking' Britain's top IRA spy 'Stakeknife' with missions throughout his time as the Army's prized informant, unearthed documents have shown. It is at odds with the ...

A BBC investigation revealed that the spy agency had lied to three courts about a misogynistic agent who used his MI5 role to coerce and terrorise his girlfriend.