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I am sorry to hear about this situation. On this website, I do not always get to give good news, and this is one of these times.
It is at the discretion of the prosecutor whether or not to file charges. The police take the complaint, and then after an initial investigation, pass it on to the prosecutor's office who makes a decision on whether or not the person is to be charged.
If the person violated the law in NJ, under 2C:13-4 or anything else, then the police complaint can be filed, as it sounds like it has been. But then it is up to the authorities whether or not to "pick up" the case as described above. If they do not, then they do not. You cannot make them do so.
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