You are required to repay the money.

Yes, you can sue for possession of the items if you can prove these facts.

If you have no lease, yes, the landlord can evict you. If you have a lease, the lease would have to be reviewed.

In order to be successful in a case, you have to prove the landlord did something wrong.

You both own the vehicle until a judge decides otherwise, or you come to an agreement. You may not prevent him from access to the vehicle.

Yes, they are responsible for the theft while it was in their possession. Especially, if they did not take steps required such as locking the car.

No, your insurance company can decide without your approval.

It does not matter the address changed. Serve the person properly will take care of any issues.

You can try a small claims lawsuit, but you would have to prove they did something wrong

A lawsuit is possible. Call medical malpractice attorneys in the county where this occurred. Use the Avvo search tool to find an attorney....