Absent very extraordinary circumstances, you can't relinquish your rights or responsibilities as a parent.

You can use the Find a Lawyer tab above............

The call is likely a scam. Unless you get served with a lawsuit, do nothing.

Anyone can send a letter. And they can ignore it.

Since they won't take it back, that answers your main question. Your choices now are to take it up with corporate management, or initiate a very...

I have never heard of a paper street. .............

This is a Q&A forum. You have not asked a question, and I don't think this is a legal issue.

Of course they can. It's called good police work.

This is a Q&A forum. You have not asked a question. Don't go back. Not a legal issue.

It is definitely allowed......................................