send up or did not make further investigation. they have their reasons why. they say it was a civil plane. they say they realized it was not a threat. but that will remain the weak point in everything that happened that night. >> it certainly will. richard, i want you to stay with us for the hour. we have a lot more to discuss with you. i want to get immediate reactions to your exclusive interview with the prime minister. joining us now our cnn aviation analyst, former esb safety manage managing director, former fbi director, let me tell you what the prime minister says, he's refusing to acknowledge formally that the plane is lost. >> i can understand that. he has a very explosive situation with the families. he must have been advised this is a critical issue. if he said the plane was lost, they're going to say, prove it.