Nancy claims people are tracking her location and communicating with her for sex. She claims people use numbers and colors to tell her different sex acts that they want – and says she fears for her safety.
 
Nancy allowed Dr. Phil cameras to follow her so that she could show exactly what she claims is happening to her. Watch what happens in the video above.
 
Nancy’s daughter claims her mom has become “delusional” and completely obsessed with this app. And, Dr. Phil had a digital investigation conducted. Is Nancy being tracked? Watch more from "'My Mother Believes She’s Being Tracked by a Secret 'Hookup' App!'" And, check local listings to see where you can tune in to Dr. Phil.

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WATCH: Woman Claims People Are Tracking Her, Using Secret Number System To Communicate They Want Sex With Her