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 Kenyans suspected of supporting Mau Mau rebels were finally released in April 2012. On 20 October 1952, Governor Baring signed an order declaring a State of Emergency. Early the next morning, Operation Jock Scott was launched: the British carried out a mass-arrest of Jomo Kenyatta and 180 other alleged Mau Mau leaders within Nairobi. Jock Scott did not decapitate the movement's leadership as hoped, since news of the impending operation was leaked. Thus, while the moderates on the wanted list awaited capture, the real militants, such as Dedan Kimathi and Stanley Mathenge (both later principal leaders of Mau Mau's forest