This is a common scam. Ignore it. All of it.

Like anyone else, your lawyer is entitled to withdraw if he is not being paid. You can object, but a court will likely grant his motion.

This is a Q&A forum. You have not asked a question.

No. The Terms of Service you agreed to specifically waive a right to sue.

No. The Terms of Service you agreed to specifically waive a right to sue.

You can review the local rules on how to file a subpoena. But a subpoena against a Federal Agency will be quickly quashed.

This is a Q&A forum. You have not asked a question.

This is a common scam. Block all contact.

Since you are not going to sue your mother, just get duplicates.

None of us could possibly answer this question.