At what age can the baby be claimed from the gril according to the USA laws(State of Nebraska)Can you recommend me a good islamic lawyer who I can contact?

A moslem boy got involved with a christian girl in America. The girl became pregnant. He was living in her flat for more than a year. She is a church leader. She says that she wants to become a moslem but it is not sincere. The boy is studying there. At the moment he is very confused and furious at his parents. He says, that the baby to be born will be my child whom I cannot neglect although he has no means to support. The baby is to be born in 3 months time The parents when they came to know first they removed him from her flat almost by force. They rented an apartment and the boy is now living in it. The parents told him to stop the relationship because it is haraam. We have the following questions: