Operation Anvil (Mau Mau Uprising) Many Kikuyu were sympathetic to the Mau Mau cause and provided the insurgents with supplies. They also housed them, thereby facilitating attacks in the city and the neighboring Kiambu District. In June General George Erskine was dispatched to Kenya to assume control over British forces. He immediately began instituting reforms and organised a series of attacks against the Mau Mau. In January 1954 the British captured rebel leader Waruhiu Itote, who gave them critical information about Mau Mau deployments and strategy under interrogation. Two months later the colonial command structure was overhauled, increasing decision-making efficiency and granting Erskine greater influence
Mau Mau Uprising as "a complete blueprint for winning the war against Mau Mau using socioeconomic and civic reform." What developed, however, has been described as a British gulag. The Pipeline operated a white-grey-black classification system: 'whites' were cooperative detainees, and were repatriated back to the reserves; 'greys' had been oathed but were reasonably compliant, and were moved down the Pipeline to works camps in their local districts before release; and 'blacks' were the so-called 'hard core' of Mau Mau. These were moved up the Pipeline to special detention camps. Thus a detainee's position in Pipeline was a straightforward reflection of how cooperative