friends because they changed a lot depending on who she was hanging out with at the moment, but it wasn t familiar at all. reporter: a police officer came and took a report. james, meanwhile, called up thee gps function on annie s cell phone. it put her around or about the golf course out in riverton and within a mile of that, which is around the bridge area. reporter: the bridge at the f jordan river, just a couple dg of miles from their home, a place joggers and horseback riders frequent during the day and young lovers at night.ri james, veronica, and the officer watched as annie s phone pinged across the computer screen in realtime. you re watching her move. yes. when it moved so fast, our immediate assumption was, okay, she s getting in a car. reporter: so this is a hot pursuit now, looking for your girl? yep.tt reporter: and then the signal just stopped. veronica drove to a walmart near where they d tracked annie s phone. and i have her picture on my cell phone.