I am kind of weary making a public statement about this subject, a controlled demolition would have been a crime against humanity. Unlike tedivm I do not claim any authority on this subject. During my teenage years I spent a lot of late nights just surfing the web and researched the 9/11 building collapse quite thoroughly at one point. I can also think. I came to the conclusion that, due to the structural design of the twin towers, if you fly a plane into them a collapse of the kind that was witnessed on the 11. September 2001 is the consequence.