disappearance of malaysia flight 370. no sign of the boeing 77 and the people on board. imagine what it's like for those faeps. despite an extensive search in the south indian ocean, no sign. the analyst, david soucie joins us. "malaysia flight 370: why it appeared and why it's a matter of time before it happens again." you answered a lot of the information and went back through it all, all the data. at this point, do you have a theory about what happened to the plane? >> i do have a theory but it's just what i would call the most prominent theory. there's several theories. what i did is used an algorithm i've used for years in aircraft investigations. in that theorem, what we do is take all the validated assumptions, which seem contradictory, but validate and