I hope readers will find that this old piece of mine remains relevant as a guide today.

TEN SCENARIOS OF WHAT MAY HAVE HAPPENED ON SEPTEMBER 11th, 2001
By Nicholas Levis

(Original April 1, 2004 - revised May 2006)

Of the attempts to categorize 9/11 theories I've seen, some beg questions or unfairly characterize what people think. Most are simply vague in their terms. I have tried to do better with the following list of nine graduated options, which I believe fairly describe the differing opinions people actually have (short of those who believe in divine or extraterrestrial intervention). This remains a mental exercise, but I hope it helps sharpen our logic.

1 THE OFFICIAL STORY