That comes from doing the investigation. That example I brought up was actually very simple, because I found a number for her. She had moved to a different jurisdiction, but I had access to their records. I called her up, and she said, “No. I don't even want to tell you, let alone him, where I am. He has no right.” I was able to shut that down and deal with that male and caution him for what he was doing.
You have to be able to put some investigation into it. It's a case-by-case basis on how you come to that conclusion.