You state you are represented. Check with your attorney.

Review pleadings in underlying matter in which parental rights terminated.

Continue to follow up and monitor with APS.

Yes. Mother may revoke or amend POA without notifying alternate agent.

No. You are not responsible for coroner fees owed in connection with late son death.

You may no longer access decedent's property without order from probate court granting you access.

Best practice is to retain Mexican attorney to draft POA which is enforceable in Mexico.

Owner rights and tenant rights collide in this case. Much more case specific information needed to advise regarding your rights.

Review father's personal record, monitor mail, review tax documents to find possible referenced to account in question.

You have made contract not to revoke or change your will. Generally, the contract is enforceable and you may not change your will in violation of...