You should take out a criminal complaint at the county attorney's office. They will decide whether to prosecute or not.

They can. It depends on the worker. Many will require no usage in the presence of the children.

Send her a certified check from your girlfriend's account. Put a note at the bottom addressing what it is for. Keep the receipt. These are...

Yes, you must evict her. . .

It is against the policy for you to remain the ins. post divorce. Same for the child if not his child.

Your granddaughter can call you as a witness and you can testify.

If you have sole custody contact the police and they can issue an Amber Alert.

You should be able to get a copy from the probate court.

You will need to evict her. If you are married, she has a marital interest and the family court would need to intervene.

Your case is far too complicated to be answered in this forum. Contact local attorney who practice both CPS cases and custody cases.