Can I sue Walmart over this?

What damages are you considering suing over?

Does a testifying witness have to prove that they own the stolen property in question

His past bad acts can be used to cross examine him and hopefully you can produce some evidence that you purchased the item in question.

Can the trailer park restrict community parking?

If this is private property they may well be within their rights. Confirm with local counsel.

What can I do if valuables are stolen from my luggage after checking-in at the airport(most likely by the TSA)?

Without direct proof of the theft you may be limited to the general carriers luggage liability limits as listed on the slip for checked luggage....

If he wwas hurt due to their negligence you can sue them.

WI'll I get,any money back for my totaled loss car that wasn't my fault and I had full coverage and gap insurance?

The gap insurance is generally payable to the lienholder as is the full amount paid for property damage.

Is the following a HIPPA violation? Medical diagnosis listed in stipulation order pertaining to action taken against my professi

HIPAA violations only deal with medical professionals and do not give rise to private causes of action.

I was in an accident with an uninsured motorist, shouldn't the officer have cited her?

The failure to cite the at fault driver does not affect your right or ability to sue on any level.

Is there a lawyer in New York who would deal with false media stories and potential sue them on a contingency basis?

Unless the damages are striking and the plaintiff is not a public figure it is unlikely that this is probable. Use Avvo find a lawyer feature to...

II need help k ow what I should do In my situation?

Use Avvo find a lawyer feature to find local counsel to possibly help you.