If you do not indicate it is amended it may confuse the court.

The referral fee is determined by the attorneys.

The forger can be sued. If she has money it may be worth pursuing. Use the Avvo search tool to find an attorney. https://www.avvo.com/find-a-lawyer

Consult with experienced probate attorneys in your state. Use the Avvo search tool to find an attorney. https://www.avvo.com/find-a-lawyer

There may be a case. Consult with experienced attorneys. Use the Avvo search tool to find an attorney. https://www.avvo.com/find-a-lawyer

Consulting with an experienced auto crash attorney may disclose fault of other drivers, the roadway or others. Use the Avvo search tool to find...

While the police might do nothing, if she owns the car you must return it.

An attorney appearing in a case or not does not effect the attorney being sued.

You can search for other cases against this company and contact attorneys handling those cases.

Yes, duress is a possible reason to set aside an agreement. But, strong evidence is usually required.