Absent any injury to your dad there would be nothing to sue for.

Assuming a judge signed off on it, they are divorced.

Not sure what your question is. You can contest the charge on your credit card.

IMO you have nothing to sue for as you have no damages to claim.

COVID is new territory for all of us, and we don't know what is going to happen. Speak to your command about your options.

No you cannot sue, as they are immune from such suits.

Probably because the statute of limitations has long expired.

You don't say who is investigating. Time to lawyer up.

A lawsuit will cost you thousands of dollars and take years to resolve. This is not a matter for the courts.

This is a general Q&A site for legal issues. Yours is not a legal issue.