What do I need to do to file civil complaint against him to try to either recover the items in question, or get paid their value

Well yes if nothing else has worked a demand letter would be in order first.

We went into her mom's apt and took some things the end of march and boyfriend is saying he was robbed that I broke in did we

Sounds like a crime occurred you should speak to a lawyer as soon as possible.

Will my N 400 be denied because I met my abusive husband in public?

It is not clear and you will really think about your future interactions with him.

Can I do anything to un suspend the child support and him to continue to acure child support? Any fighting chance? Or screwed?

That stinks about the lawyer. Yes you have the right idea. Talk and get a free consultation from someone on this site and go from there.

What steps do I need to take to have a vehicle removed from my property?

Call and make a police report about the situation.

How can I get this expunged

If summary you can get it expunged. If you were convicted of it and it is a misdemeanor then only a pardon will do.

Well is low class to print an address but it is generally considered to be public record so they can do it. You may want to consider hiring a...

Would use of deadly force be justified if the weapon was not visualized?

You are allowed to use deadly force to protect your life or the lives of others

What happens when my probation is over and I still owe money?

It may continue or convert to a civil judgment

Do I have a case? I was incarcerated and required stitchest to my face and was also untreated for arthritis.

You may have a case not sure how your injuries were caused.