The first problem is that you think your neighbor is wrong. That colors everything else you have to say, and forms your attitude toward him. This attitude rubs off on your kids, and they act accordingly.
I would suggest that you learn the law, and then don't you, or your kids, break them.
I'm sure my neighbors think I'm terrible, but after being in court with them, and after everyone including the State Supreme Court affirming that I am correct, I really couldn't care less what they think of me. They were wrong, and so might you be. The fact that until this cop moved in you were able to do anything you wanted, doesn't make it legal or even neighborly. Take a step back and see if you are correct in your thinking.
I would suggest that you learn the law, and then don't you, or your kids, break them.
I'm sure my neighbors think I'm terrible, but after being in court with them, and after everyone including the State Supreme Court affirming that I am correct, I really couldn't care less what they think of me. They were wrong, and so might you be. The fact that until this cop moved in you were able to do anything you wanted, doesn't make it legal or even neighborly. Take a step back and see if you are correct in your thinking.