that that it would cause the handing off that we saw. >> eventually they found it. the only spot is in town that caused the strange pattern of pings. it was at the jordan river, the very spot where annie was killed. >> we feel very, very comfortable saying at 9:01 p.m. on march 10th the phone was within 100 meters of where we're standing. >> it turned out of all the people who could have called chris that night, the one who did precisely 9:01 p.m. was annie's mom veronica. that was because of something annie had told veronica earlier that morning, something about chris. >> he'd asked her, what would you do if i asked you to run away with me? >> runaway. >> and then i told her, you know, if you're ever missing, he's the first person i'm calling. >> which she did. and without even realizing it helped police place chris