'In April 2011, the landmark High Court victory of four elderly Kenyans revealed a dark episode in British colonial history. Between 1952 and 1960, barbaric practices, including forced removal and torture, were widely employed against ‘Mau Mau’ rebels, real or imagined. Upon the granting of independence in 1963, thousands of files documenting such atrocities were ‘retained’ by the British authorities, eventually coming to rest in the vast, secret Foreign and Commonwealth Office archives at Hanslope Park. Now a small portion of that archive was opened to scrutiny, and a tiny ray of light shone on one of history’s greatest cover-ups.' (Introduction)