What would someone need to provide to authorities and then how does someone report this?
Administrative Law Lawyer
If you are being subjected to conduct that you think is either peeping or stalking, call the police and make a report. The prosecutor can decide later which violation, if any, to allege when filing charges.
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Estate Planning Attorney
Ms McCall is offering sound advice. Let the prosecutor worry about which charge to file against the alleged offender.
As far as what someone would need to provide to authorities - I suggest you make the report. The officer who speaks with you will be able to tell you if you have enough information or evidence to support issuing a citation or arresting the alleged offender.