not so much a FAN of movies, but it looked totally credible to me. I talked with people who have more knowledge than myself, and they tell me this tecnique or science ping and location is often used to solve crimes. Police told me it is a valid science. So, WHY DIDN;T THE FBI OPEN UP AN INVESTIGATION IF THERE WAS SOME EVIDENCE THAT THERE WAS FOUL PLAY... COME ON MAN..says Brandon.