Mau Mau Uprising that the rebellion was going to take some time to deal with. At first, the British discounted the Mau Mau rebellion because of their own technical and military superiority, which encouraged hopes for a quick victory. The British army accepted the gravity of the uprising months before the politicians, but the army's appeals to London and Nairobi initially fell on deaf ears. On 30 September 1952, Evelyn Baring arrived in Kenya to permanently take over from Potter; Baring was given no warning by Mitchell or the Colonial Office about the gathering maelstrom into which he was stepping. Aside from military
Mau Mau Uprising Kenyans suspected of supporting Mau Mau rebels were finally released in April 2012. On 20 October 1952, Governor Baring signed an order declaring a State of Emergency. Early the next morning, Operation Jock Scott was launched: the British carried out a mass-arrest of Jomo Kenyatta and 180 other alleged Mau Mau leaders within Nairobi. Jock Scott did not decapitate the movement's leadership as hoped, since news of the impending operation was leaked. Thus, while the moderates on the wanted list awaited capture, the real militants, such as Dedan Kimathi and Stanley Mathenge (both later principal leaders of Mau Mau's forest