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

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

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

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 High Court has been rocked by MI5's 'unreserved' apology, as a judge demands secret documents amid concerns over false ...

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 ...

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.

Although claimed by the Real IRA and an arrest warrant issued for a dissident suspect, few in republican circles believe the ...

MI5 told the court everyone from director general Ken McCallum downwards acknowledged the seriousness of the false evidence MI5 lied "deliberately and repeatedly" as it tried to defend its ...