Lawsuits are expensive and time consuming. Your terms of use likely limit your ability to sue. You can use the Find a Lawyer tab above.

Nobody can evaluate a case with a one para summary. Bring all the documents to a local attorney for a thorough review.

You certainly have no grounds to sue Walmart. With a good lawyer your charges may be dismissed/lowered.

Yes an oral agreement is enforceable.

Ask your parents. You must be 18 to use this site.

Is it illegal to record a fight of people you know at a public park? No

None of us can teach you how to practice law in a Q&A forum.

Phone call, letter, email, carrier pigeon, ....

You keep asking the same question of everyone but the one person who you should ask, which is his lawyer.

The only person who can answer this is his lawyer.