Mau Mau Uprising between loyalists and Mau Mau was a product of the conflict, rather than a cause or catalyst of it, with the violence becoming less ambiguous over time, in a similar manner to other situations. Philip Mitchell retired as Kenya's governor in summer 1952, having turned a blind eye to Mau Mau's increasing activity. Through the summer of 1952, however, Colonial Secretary Oliver Lyttelton in London received a steady flow of reports from Acting Governor Henry Potter about the escalating seriousness of Mau Mau violence, but it was not until the later part of 1953 that British politicians began to accept
Mau Mau Uprising of atrocity and excess on both sides, a dirty war from which no one emerged with much pride, and certainly no glory." Historian Daniel Goldhagen describes the campaign against the Mau Mau as an example of eliminationism, though this verdict has been fiercely criticised. The total number of deaths attributable to the Emergency has been a source of dispute: Caroline Elkins claims it is "tens of thousands, perhaps hundreds of thousands". Elkins numbers have been challenged by the British demographer John Blacker, who demonstrated in detail that her numbers were overestimated, explaining that Elkins' figure of 300,000 deaths "implies that