Hello and welcome to JustAnswer. Please note: This is general information for educational purposes only and is not legal advice. No specific course of action is proposed herein, and no attorney-client relationship or privilege is formed by speaking to an expert on this site. By continuing, you confirm that you understand and agree to these terms.
I am sorry to hear about this situation.
1) If I am charged with stalking does that open the door to a discovery process that could expose immigration fraud, possibly with not quite slavery but a lot of control and duress?
Yes and no.
No, in that her immigration status and employer/employee relations have nothing to do with the stalking case, arguably. So the prosecutor would likely focus on the stalking matter, and not involve themselves in her affairs otherwise. Yes, in that if the media gets a hold of this or if ICE is tipped off, they can investigate potential violations and abuses of visa holders' rights.
2) In the event it goes that far and nothing is discovered, how likely is it that I can get the court to drop charges if I can show that at least part of my persistence was sincere concern for her situation?
Not likely. Regardless of the intent of the individual, if there is credible evidence that the Defendant has engaged in stalking behavior regardless of their intent, then the Prosecutor is likely to press the case. The prosecutor is simply likely not to believe that the intent was not malicious. Then it would be up to the Judge.Jury to decide.
Please note: If I tell you simply what you wish to hear, this would be unfair to you. I need to be honest with you and sometimes this means providing information that is not optimal. Negative ratings are reserved for experts who are rude or for erroneous information. Please rate me on the quality of my information; do not punish me for my honesty.
I hope this helps and clarifies. Please use the SEND or REPLY button to keep chatting, or please RATE when finished. You may always ask follow ups at no charge after rating. Kindly rate my answer as one of TOP THREE FACES/STARS and then SUBMIT, as this is how experts get credit for our time. Rating my answer the bottom two faces/stars (or failing to submit the rating) does not give me credit and reflects poorly on me, even if my answer is correct. I work very hard to formulate an informative and honest answer for you; please reciprocate my good faith with a positive rating.