It always surprises Westerners to learn how deeply entrenched witchcraft and superstition is in the African psyche, even among educated Africans; so deeply imbued that it shouldn't be discounted by Western military advisors. It has often played a significant role in insurgencies, rebellions and military operations and has been known to turn the tide of battle before a shot has been fired. Here's an interesting treatise on it...if it doesn't belong here, admins, please feel free to move or delete.
http://people.bridgewater.edu/~mtembo/menu/articles/WitchcraftPaper.pdf
http://people.bridgewater.edu/~mtembo/menu/articles/WitchcraftPaper.pdf