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I am sorry to hear about this situation. Website content is automatically copyrighted. If you feel that your copyright is being violated, you want to send the owner a DCMA takedown letter. A copy may also be sent to the hosting company the domain (if you tell me the site, I can provide the domain hosting company's name). A copy of such a letter may be found HERE.
Visiting your centers is not illicit. However, if you believe that she somehow is interfering with your business or is coming in to lure your customers away, that IS actionable. If so, reply and let me know and we can discuss this, also.
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