Quoting PurpleBama582:" Are they renting their place? If they are, is she on the lease? If she's on the lease, he needs to go ... [snip!] ... voluntarily left. He needs to file something with the court showing she abandoned him. And get an emergency custody hearing. "
Quoting Captain Obvious:" yup all of this. OP, has he legally established paternity yet?"
Quoting The Lurker Next Door:" I guess so, he was there when she was born, and is on the birth certificate"