As a senior MI5 ... MI6 by Guy Burgess, where he became head of counterespionage operations during World War Two. In 1949, Philby was sent to Washington to become MI6’s chief liaison officer ...

Newly declassified British documents show that Queen Elizabeth II wasn’t told details of her long-time art adviser’s double ...

these were some of the tips given to rookie MI5 "watchers". Their job was to covertly tail and report on suspected enemy agents. The guidance is contained in a booklet that was issued to all new ...

Philby gave it to his old MI6 friend, Nicholas Elliott, on 9 and 11 January 1963. Elliott, rather than an experienced MI5 interrogator, had been sent out from London to quiz Philby because it was ...

The MI5 instructor suggests watchers “enthuse a little extra activity into the driver in order that he may avoid the suspect’s detecting the following cab in mirrors or from the rear window”.

Sir Ken paid tribute to the longstanding partnership between the FBI and MI5 that is “anchored by shared values and vital in light of shared threats”. He said: “We work together not because ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday ... for foreign intelligence agency MI6 despite falling under suspicion.

MI5’s top interrogator was baffled by Kim Philby ... Philby, who was then a high-ranking MI6 officer, first came under suspicion in 1951 when two fellow Cambridge spies, Donald Maclean and ...