The BBC has been given rare access inside MI5’s headquarters in London to meet a senior intelligence officer who shares what ...

The security service showed "institutional defensiveness rather than candour" after the Manchester Arena attack and for years ...

An Old Bailey judge banned former MI5 officer David Shayler from explaining why he passed secret documents to The Mail on Sunday. Shayler was repeatedly interrupted by Mr Justice Moses as he tried ...

The claim - denied by the security service - was made as the families take legal action over missed chances to stop the ...

The BBC has been given rare access inside MI5’s headquarters in London to meet a senior intelligence officer who shares what it was like to discover he was neurodivergent. Liam was chairing a ...

Former MI5 officer David Shayler took his jacket off and made an impassioned plea to a jury today to clear him at his Old Bailey secrets trial. He said he was proud of his work with the security ...

It has now been reported that an MI5 officer is suspected of supressing hundreds of files linked to Stakeknife. While six tranches of documents were initially found in April, more papers linked to ...

Journalist Peter Taylor reveals the story of how a former undercover MI5 officer put his life and career on the line to encourage the IRA to end its violent campaign and embrace politics.

He said only the public inquiry, which questioned key MI5 officers in secret, had been able to obtain a clear picture about the lead-up to the bombing. In written submissions to the IPT ...