Mau Mau Uprising in London. The trial itself was claimed to have featured a suborned lead defence-witness, a bribed judge, and other serious violations of the right to a fair trial. Native Kenyan political activity was permitted to resume at the end of the military phase of the Emergency. The onset of the Emergency led hundreds, and eventually thousands, of Mau Mau adherents to flee to the forests, where a decentralised leadership had already begun setting up platoons. The primary zones of Mau Mau military strength were the Aberdares and the forests around Mount Kenya, whilst a passive support-wing was fostered outside these
Mau Mau Uprising ordered all Mau Mau suspects to be screened. Of the scores of screening camps which sprang up, only fifteen were officially sanctioned by the colonial government. Larger detention camps were divided into compounds. The screening centres were staffed by settlers who had been appointed temporary district-officers by Baring. Thomas Askwith, the official tasked with designing the British 'detention and rehabilitation' programme during the summer and autumn of 1953, termed his system the "Pipeline". The British did not initially conceive of rehabilitating Mau Mau suspects through brute force and other ill-treatment—Askwith's final plan, submitted to Baring in October 1953, was intended