A neo-Nazi thug who attacked his girlfriend with a machete happened to be a paid undercover agent working for MI5. When the woman took the spy to court, MI5 tried to manage the media fallout but ...

"In season five of 'Slow Horses,' everyone is suspicious when resident tech nerd Roddy Ho has a glamorous new girlfriend, but ...

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified documents from MI5. The documents are part of a new exhibition on display at ...

Three Bulgarian nationals have been found guilty of spying for Russia, in what police have described as "one of the largest" ...

A woman whose suspected Security Service informant partner allegedly attacked her with a machete has called for an apology from MI5. She says she was repeatedly abused by her partner, a foreign ...

A former MI5 spy is found dead from a shotgun wound by a terrified maid who screams when she sees him lying in a pool of blood at his luxury London flat. A partially blind widow is struck down by ...

Among them was a beautician, a martial arts instructor and a financial service adviser, and together they managed to conduct one of the most complex spying operations of our time. Mark Hollingsworth l ...

A Sussex author has examined the surprising connection between the captain of the Titanic and the mysterious death of an MI5 spy.

Marsalek, the Wirecard executive who went on the run five years ago after the dramatic implosion of the German payments company, was a Russian spy directing espionage operations across Europe, ...