How is it Onyango was still working for the British after he changed his name and became a Muslim? Was he a double agent for the British and the muslims?
I don’t really understand your question, but this article may help to fill in a few gaps:
http://www.theeastafrican.co.ke/magazine/-/434746/525930/-/view/printVersion/-/i13vxrz/-/index.html