Now that this thread has gone completely off topic (by talking about adoption law)....
Years ago a friend and mentor of mine got married to a gal that had a child from her first marriage. The bio-dad never paid child support so my friend ended up adopting her little girl. He had a career change and moved to TN with his family. The new wife came up here from time to time to see her family/parents. The trips became a little more frequent... (yeah, you can see where this is headed! :laughing

He told me that he was leaving for work one morning and the wife said "I'll be gone when you get home. I'm filing for divorce." He thought she was joking and replied "yeah, we all need one of those every now and then." Came home and she was gone along with most of his/their belongings.
Turned out she started seeing the bio-dad while she was back home and moved back in with him. So my buddy ended up paying child support for a child that he adopted that was living with the deadbeat that wouldn't pay child support! Sheesh!