Google is your friend.........................

I am sure screaming at her and dropping F bombs(especially in front of your kids) isn't helping. As noted, next time call the cops.

He in adult, not a kid. Speak to your parents about his predatory behavior.

Most lawsuits (i.e. car accidents) are because of negligence. You will need your own lawyer to defend you.

You will have to hire a PI to find them.

I am assuming there is a lot more to the story as your neighbor would have no reason to call the cops for you cutting down your own tree.

Any such lawsuit would cost a lot more than $1,000. Dispute the charge with your credit card company,

Not a legal matter. yet. Try the IG office if the personnel folks won't respond.

It will most certainly impact your clearance. The question is to what degree. Once you notify your security manager (and yes, you are required to...

This is not really a legal issue. You need to check with your chain of command and personnel office.