Omgg reading this thread made me go O_O. Haha.
It reminded me of an interview Utada did in English for some radio station where she talked about how she had an entire warehouse storage place for things that her fans gave her. She was talking about how she opened a box and was like "What the hell is all this?" and she realized it was the stuff that her staff had seized in advance and labelled as like 'dangerous fans' or something and that she opened a couple of things and people had sent her knives and stuff.
There are some really crazy fans out there.