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A document in French leads Nick Rankin to the exploits of an SOE operative in Gibraltar.

Jo Fox discovers the transcripts of a Nazi secret radio station broadcasting to Scotland.

Gordon Corera investigates a secret fund belonging to the MI6 chief in the 1950s.

The diaries of Fu Bingchang, Chinese Ambassador to the Soviet Union as the Cold War began.

Anne McElvoy explores the documents telling the story of the emigre agent Jurgen Kuczynski

For Radio 4's Cold War season, Gordon Corera examines CIA attempts to subvert Albania.

Gordon Corera reveals evidence of a secret deal between a code-machine company and the NSA

Dominic Streatfeild investigates the case of Argentine POW Alfredo Astiz in 1982.

Sanchia Berg rediscovers the lost trail of the MI5 spy who was left out in the cold.

Heather Jones explores a lost intelligence report warning of Germany's invasion of Poland.

David Loyn investigates how a lost record is helping Afghanistan address its painful past.

Gordon Corera travels to Stockholm to investigate the assassination of a prime minister.

Using new documents, Mike Thomson investigates a largely forgotten massacre in India.

Mike Thomson explores a document pointing at American treachery prior to Pearl Harbour.

Mike Thomson examines documents revealing British brutality in Kenya in the 1950s.

Sarah Richardson discovers a document which shows that women in Lichfield voted in 1843.

Did the 1916 Dublin Rising catch the cabinet by surprise? Author Nick Rankin investigates.

Jeremy Duns examines links between MI6 and the British media during the Cold War.

Mike Thomson investigates the role of the ´óÏó´«Ã½ Hungarian Service in World War II.

Mike Thomson discovers how close Britain's greatest cold war secret was to being exposed.

Mike Thomson returns with the investigative history series, starting in Dublin in 1922.

Series using documentary evidence to throw new light on past events.

Why were the British Chiefs of Staff in secret contact with enemy Vichy France in 1942?

Mike Thomson unearths the motives behind the 1949 murder of a British colonial governor.

Mike Thomson investigates the role the French government played in the 1982 Falklands War.

How Greenham Common was classed as one of the most dangerous missile sites of all.

Mike Thomson asks whether the British tried to rig Nigeria's first democratic elections.

During the 1930s, some of Wall Street's most famous names plotted to overthrow Roosevelt.

Mike Thomson investigates the collapse of the US UK special relationship in 1973.

Mike Thomson investigates the secret baptism of Jews in Vienna's Anglican church, in 1938.