dave gillham called in for his uncanny ability to plum a cell phone for almost anything it's ever doneiphone, that was not an easy thing to do. >> she had erased most of the text messages between her and the victim, and i was able to recover many of them. we don't know how many there were. we did recover thousands and thousands of text messages. >> this is material that had been erased. material she chose to erase. >> correct. >> what did that imply to you? >> she was hiding it. it was not something she would want people to see so she deleted it. >> the sun soon set on another school year. abby moved back to her parents' place, a two-hour drive from grand rapids. summer came and then the detective discovered that her no-contact order wasn't enough to keep abby simon away from her teenage lover. >> she tweeted him and gave him the information on how to contact her because i had her phone so he couldn't call her anymore or text her anymore. she had changed phone numbers. somehow he was able to e-mail her and call her. >> and at least once they managed to meet in person. he was very upset