What happened to the toxic chemicals released in the Piper Alpha oil disaster in 1988?
Mike Thomson investigates the shadowy world of black propaganda in Northern Ireland.
Mike Thomson investigates the story behind the German PoWs forced to work in Britain.
Mike Thomson investigates Britain's secret involvement in the North Yemen Civil War.
Mike Thomson on Churchill's desperate efforts to keep Spain out of the Second World War.
Mike Thomson investigates Britain's role during the 1970 coup in oil-rich Oman.
How Harold Macmillan misled parliament in 1960 over claims of war prisoner brainwashing.
Why black soldiers in the French army were denied the glory of liberating Paris in 1944.
Mike examines allegations that the CIA sabotaged a shipment of buses from Britain to Cuba.
Uncovering papers which accused the BBC of biased reporting of the Iranian revolution.
Mike examines the events surrounding a massacre of Allied POWs by the Japanese in 1943.
In 1974, Harold Wilson drew up a plan to separate Northern Ireland from the rest of the UK
What actions did America contemplate to prevent Pakistan from becoming a nuclear power?
The BBC devised a programme schedule to be transmitted in the event of a nuclear attack.
In 1948, a KLM representative asked Swiss police to ease travel restrictions for Germans.
Series using documentary evidence to throw new light on past events.
A tale of murder and cover-up by the British Army in Kenya 50 years ago.
Mike Thomson re-visits a document that split the country in two.
The extraordinary tale of the 1956 French offer to merge Britain and France into one.
Mark Thompson uncovers evidence of British aid to Franco during the Spanish Civil War.
Mike Thomson examines the origins of Britain' s wartime Home Guard.