Individuals do not press charges, police and DA's do. Call the cops.

Yes it can. It can be revoked up until the minute it ends.

Perhaps hire a PI..............................................

You can call the Postmaster who will decide if they wish to prosecute. I doubt it.

You don't have any damages to sue for. No damages=no lawsuit.

You are entitled to a refund, but that's it.

There is no legal process to "disown" a relative.

An outside lawyer is a vendor................

Under new DOD guidance it is possible to get the allegation removed from your record. You should consult with an attorney experienced in this area.

A lawyer can bill by email. Not sure if that is your question.