I would be worried about your son at this point, not if you can sue someone. Why would someone want to make a claim against a 13 year old if they didn't honestly believe that he did something wrong?
David answered as I would. Please get your priorities straight, and deal with the issue before you, and you might want to hire a criminal attorney for your son to protect his interests. Don't worry about suing someone. Sort this matter out first.
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