You will need to get a court order.

What you can do is block her and/or don't respond to her.

You can. Issues surrounding children can always go back to court.

It is completely dependent on what the POA document states. Did you provide the bank a copy of the POA?

As an owner of the property you could try to evict GF, but H is also an owner, so I don't see that going anywhere. I'm assuming you've moved out. ...

There is no conflict. The conflict would arise if that atty represented ex-wife.

It may or may not have been filed with the County Clerks office. Search your house for your copy.

Every worker is different. I would explain and prove the situation, but be prepared that you may lose contact with your child until you have many...

You have to be able to authenticate the screen shots. If you can do that they should be admissible.

That is only true in their own minds unless there is a vast difference in the cost, I doubt there should be an issue.