If your friend has uninsured motorist coverage they can still make a claim. If not its typically not worth suing someone without insurance.

You can sue them for civil theft. That and or maybe report the car as stolen.

Yes but you cannot sue. Only recourse is thru wokers compensation. Seek a lawyer ASAP if ts serious.

You gave incomplete info. One has to indicate why they fell. There has to be some negiligence.

Yes you can. Your friend should notify his insurance co.

If they fired you while on FMLA leave, perhaps there is a case. If not, you have to prove that they fired you for a reason that s protected under...

Unless you report the claim timely and receive medical care, the case could be denied.

You'll have to hire a federal workers compensation attorney. They require upfront fees to work on the case. That or complain with the union.

Hire an attorney ASAP. You should have done so from the onset. Not getting medical care right away also is not helpful.

Yes but they have immunity. As such damages are limited.