Now that it has been established that he is not the father, how will this effect the 'daughter'? If the 'father' does not have to pay support because he is not his biological father, will his visitation rights end?

Who is to decide what is best for the emotional well-being of the child? While I disagree with the deception of the mother, I think that once a man (whether step-father or father) assumes the role of father, there is an emotional responsibility for the child. I can only imagine how devastated the 12 year old 'daughter' must be.

Mom was wrong to lie about paternity but 'dad' was wrong to ask the courts to end his obligation to pay child support for a child he had accepted as his own.