[Rick Lee]

If she already has a green card, then I doubt her citizenship application is tied to her husband. Applying for a green card would be, but citizenship, I believe, is not.

This may be unrelated, but there is a provision in the law for battered spouses or victims of domestic violence, who have not yet reached the two yr. anniv. of a marriage which qualified them for conditional status. If this woman has any documented police calls on her hubby, she can probably use them to get USCIS to help out here.