That can't be good. Is there any law he is violating by living so close to you? Aren't there laws about not living by a school? Anything?

I would make sure that he knows that you see him as a threat and if he even THINKS about your family he will be in a world of hurt.

Good luck.

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There are two sides to every issue: one side is right and the other is wrong, but the middle is always evil. -Ayn Rand