I am going to re-post this question in the Criminal Defense practice area as I believe that is where you will find attorneys able to answer this question. Good luck to you.
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The decision to dismiss with prejudice rests with the DA or Judge. Certainly your attorney can attempt to convince the DA or Judge to dismiss with prejudice but if the matter is being dismissed not for lack of evidence but because the evidence was illegally obtained (through a suppression motion) than the matter might not be dismissed with prejudice. Having said that, it is doubtful the DA would refile given that the matter was dismissed because critical evidence was suppressed. The DA would have to legally obtain new evidence to refile. Your attorney would know far more about this matter than anyone here, ask him/her about the status of your case. Do not talk to law enforcement about this or any other matter. Good luck.
You mights succeed some other way, but not just from a motion to suppress. Even if you win your motion to suppress, the case would not be dismissed. The DA is allowed to evaluate his or her remaining evidence to decide whether he or she can still prove the case. Get counsel to have much better odds in making the case go away, if possible.
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