What can he do? Will he get arrested if he doesn't pay it back? Can he deny it and say that he didn't sign it?

He should speak with an attorney. There are questions left in your story but he should speak with counsel.

What can I do? How much will a real lawyer cost?

You should contact an attorney at once. May I suggest you not reveal any facts here as there is no confidentiality in this forum. As for the cost...

Executor's fee calculated...on combined figure, or only on probate portion, with trust calculated on Ann. Trust Cmsns rates?

You have been given all good answers. Good luck. You may want to consult with another attorney so you feel comfortable.

Can this be held against me since I was considered a minor? The child has passed away can this still be held against me?

As was said, you should speak privately with an attorney.

How to write an ethics complaint so it wins, what do they look for ? Any details specifically?

If anything it may be malpractice. You don't win a grievance and will likely never be informed of any outcome. It is an internal process and it...

I went to lawyer's office and he did legal research in front of me to answer my questions

Not only is it professional it is commendable that he look it up for you.

So sorry you and your child are subject to such behavior. You should speak with counsel about this behavior as it is detrimental to your child. You...

Can she be prosecuted under NY State Law? If so, what would be the charges and how can I get the police to take action?

Apparently the oil company has your authorization to use the card. You really should contact an attorney that will review your particulars. You may...

Is she facing life in prison??

She should secure the services of a very good lawyer

How can we force her to do this. The house can be taken away. It can be transferred into grandchildren names.

You will need to speak with an estate attorney and let that attorney examine the will or trust.