Mantashe is being hypocritical because the ANC itself was funded by the US in the run up to the 1994 general elections. What is good for the goose must also be good for the gander. And it is not clear if Dr Ramphele was funded by the US or some people in that country. Mantashe and his ilk think the ANC is preordained to rule South Africa for keeps.
Why are South African authorities craning their necks and looking so far in order to eradicate crime? The capitalist system that the ANC government inherited from apartheid government and pursues is the major part of the problem that engenders criminality.
In a capitalist economy there is the ubiquity of monetary exchange but the vast majority of people in capitalism can get the things they want and need, only if they have money with which to buy those things in the market. But many people are unemployed and poor and see those who are politically connected ostentatiously flaunting their opulence.