Operation Anvil (Mau Mau Uprising) authorities. Within 48 hours the British had detained 206 known insurgents. In the following weeks over 50,000 Africans were detained and questioned. Nevetheless, numerous leading figures among the rebels managed to escape from Nairobi into the countryside. The operation ended on 26 May. Operation Anvil marked a turning-point in the British campaign against the Mau Mau. The action left the insurgents mostly isolated in the forested mountains of Nyandarwa and Kirinyaga without access to supplies and the assistance of passive supporters. It proved to be the most sophisticated undertaking of the Kenyan Emergency. In the following weeks Mau Mau activity
Mau Mau Uprising the Pipeline personnel deemed her or him to be. Cooperation was itself defined in terms of a detainee's readiness to confess their Mau Mau oath. Detainees were screened and re-screened for confessions and intelligence, then re-classified accordingly. A detainee's journey between two locations along the Pipeline could sometimes last days. During transit, there was frequently little or no food and water provided, and seldom any sanitation. Once in camp, talking was forbidden outside the detainees' accommodation huts, though improvised communication was rife. Such communication included propaganda and disinformation, which went by such names as the "Kinongo Times", designed to encourage