That is an extremely broad question. The best way to start: find a good domestic relations lawyer (a good one, not just any) and schedule a consultation with him/her so that your fiancé can explain the situation to the lawyer, learn from the lawyer what your fiancé’s options may be, and ask what the lawyer might advise your fiancé to do.
Free consultations are usually a “get what you pay for situation,” so forewarned is forearmed. And most “free consultations” are really sales pitches in disguise. Better to schedule a consultation that you have paid for. You will get more of the attorney’s attention and more likely will get an objective assessment of the case.
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