I initially thought that this was some sort of ‘net joke, but it’s just too weird to be made up.

http://uk.reuters.com/article/newsOne/idUKL2290323220080422

Police in Congo have arrested 13 suspected sorcerers accused of using black magic to steal or shrink men’s penises…

“But when you try to tell the victims that their penises are still there, they tell you that it’s become tiny…”