Kim-
There is only so much you can do at some point. If she has lied to you etc, and as parents, we can only do so much- at some point " free will" kicks in- and what they do from there is THEIR decission.. I understand your frustration- ..
I just wish there as someway we could help you. You seem to the one that understands the seriousness of this situation-.. We are keeping all of you in prayers. Maybe God is bringing this to a head to make her realize there is no " half way" of living this way- its either a commitment.. etc.. All of us here are offering our full support here- waiting for anything we can do to help.
I am not totally sure but fingerprinting I do not think comes out on a back ground check. You are " innocent until PROVEN GUILTY in a court of law" and I do not think it can show up. People are falsely accused all the time- that is why we have the court system in place.. I really highly doubt it honey- I really do..