altitude deviations are, although there my have been altitude deviations, but i say that the prime minister's information that whether it be most probably the transponder was turned off before, all right, good night, is an absolute game changer, and it implicates, it implicates, whoever was in that cockpit. now, it may have been the flight crew. the flight crew may have been disabled. it may have been some passenger terrorist who moved forward into the cockpit. we don't know that yet. perhaps if someone listens to that voice very carefully, a loved one, someone who knew the captain or copilot, we can figure that out. for now that is an absolute game changer, which tells us that this plane was deliberately commandeered to another location. >> all right. arthur, hold it right there. i want to talk to you more about this game-changer moment in your view. we're going to take a short break and when we come back we're going to talk more about the crew, what more investigators can extrapolate from that transmission, and what might be next in this investigation. after this. [ male announcer ] hey, look at you!