Mau Mau Uprising more mobile formations that delivered what he termed "special treatment" to an area. Once gangs had been driven out and eliminated, loyalist forces and police were then to take over the area, with military support brought in thereafter only to conduct any required pacification operations. After their successful dispersion and containment, Erskine went after the forest fighters' source of supplies, money and recruits, i.e. the native Kenyan population of Nairobi. This took the form of Operation Anvil, which commenced on 24 April 1954. By 1954, Nairobi was regarded as the nerve centre of Mau Mau operations. Anvil was the ambitious
Mau Mau Uprising were "systematically abusing and torturing detainees in screening centres and detention camps". In April 2011, lawyers for the Foreign and Commonwealth Office continued to maintain that there was no such policy. As early as November 1952, however, military reports noted that "[t]he Army has been used for carrying out certain functions that properly belonged to the Police, eg. searching of huts and screening of Africans", and British soldiers arrested and transferred Mau Mau suspects to camps where they were beaten and tortured until they confessed. Bennett said that "the British Army retained ultimate operational control over all security forces throughout