The full, shocking story of how Britain secretly used torture in its war against the Kenyan anti-colonialist Mau Mau movement in the 1950s.

Kenya, 1950s. The Mau Mau movement begins one of the bloodiest armed rebellions in the British Empire. The battle cry is "land and freedom" - they want to reclaim the land from the colonial power that is cracking down on the rebellion. Kenya descends into a chaos of violence before it becomes independent in 1963. But how does Britain combat the rebellion? And to what extent is the British troops' use of torture approved and kept secret at the highest level in London?—DR