Mau Mau Uprising attempt to eliminate Mau Mau's presence within Nairobi in one fell swoop. 25,000 members of British security forces under the control of General George Erskine were deployed as Nairobi was sealed off and underwent a sector-by-sector purge. All native Kenyans were taken to temporary barbed-wire enclosures, whereafter those who were not Kikuyu, Embu or Meru were released; those who were remained in detention for screening. Whilst the operation itself was conducted by Europeans, most suspected members of Mau Mau were picked out of groups of the Kikuyu-Embu-Meru detainees by a native Kenyan informer. Male suspects were then taken off for
Mau Mau Uprising the Pipeline. There were originally two types of works camps envisioned by Baring: the first type were based in Kikuyu districts with the stated purpose of achieving the Swynnerton Plan; the second were punitive camps, designed for the 30,000 Mau Mau suspects who were deemed unfit to return to the reserves. These forced-labour camps provided a much needed source of labour to continue the colony's infrastructure development. Colonial officers also saw the second sort of works camps as a way of ensuring that any confession was legitimate and as a final opportunity to extract intelligence. Probably the worst works camp