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![](https://ichef.bbci.co.uk/images/ic/320x180/p01gs583.jpg)
30/08/2010
Mike Thomson investigates how Whitehall undermined democracy in British Guiana.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01gs4qz.jpg)
23/08/2010
Mike Thomson explores claims that the poisoning of a French town in 1951 was an LSD trial.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01gs25f.jpg)
16/08/2010
What happened to the toxic chemicals released in the Piper Alpha oil disaster in 1988?
![](https://ichef.bbci.co.uk/images/ic/320x180/p01gpm8l.jpg)
Propaganda in Northern Ireland
Mike Thomson investigates the shadowy world of black propaganda in Northern Ireland.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01gph6n.jpg)
German PoWs in the UK
Mike Thomson investigates the story behind the German PoWs forced to work in Britain.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01gpk3j.jpg)
08/03/2010
Mike Thomson investigates Britain's secret involvement in the North Yemen Civil War.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01glm2f.jpg)
Churchill and Spain in World War 2
Mike Thomson on Churchill's desperate efforts to keep Spain out of the Second World War.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01glf7l.jpg)
23/11/2009
Mike Thomson investigates Britain's role during the 1970 coup in oil-rich Oman.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01gl7mg.jpg)
16/11/2009
How Harold Macmillan misled parliament in 1960 over claims of war prisoner brainwashing.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01lyk71.jpg)
06/04/2009
Why black soldiers in the French army were denied the glory of liberating Paris in 1944.