A 110-year-old lemon used by a German WW1 spy to send secret messages from Britain with invisible ink is going on display in ...

A collection of never-before-seen files, photographs and items from MI5's own archives are going on display for the first ...

It's the stuff of spy novels, except in this case it's the stuff of actual spycraft. A new exhibit opening in London features ...

The lemon, now black and shriveled, helped convict Karl Muller, a German spy in Britain during World War I. It was found by ...

MI5: Official Secrets is organised with The National Archives. Read more at straitstimes.com. Read more at straitstimes.com.

It’s a classic line from a spy movie: “Burn after reading.” For German agent Karl Muller, that advice would have really helped. Muller, a spy who masqueraded as a Russian shipbroker and ...

For the first time in MI5's 115-year history, the famous UK spy agency is revealing some of its secrets in a London show ...

The intelligence agency’s exhibition at London’s National Archives delves into Britain’s history of spying and includes a 110 ...

The lemon, now black and shriveled, helped convict Karl Muller, a German spy in Britain during World War I. It was found by police in his dressing-table drawer, along with another in his overcoat ...