GWEN IFILL: So, what do we know so far?
For more, I’m joined by Alan Diehl, a former investigator for the National Transportation Safety Board, and the author of “Air Safety Investigators: Using Science to Save Lives.”
Alan Diehl, I want to walk you through some of the theories we have heard so far today and which we heard just now in that tape. Let’s talk first about the complete midair collision or failure. What is the possibility of that?
ALAN DIEHL, Former NTSB Investigator: Well, the wreckage — the wreckage location pattern suggests that there was some kind of …read more
Source: PBS
