Dennis Wagner
The Arizona Republic
Sept. 11, 2006 12:00 AM

We will never know what Hani Hanjour thought about as he stormed into the cockpit of American Airlines Flight 77 five years ago today.

Did he reflect on his friends in Arizona?

Was he imagining himself an Islamic hero, a martyr for Allah? advertisement

Did he comprehend the hell that he and 18 other al-Qaida hijackers were about to create?

But we do know exactly what FBI Special Agent Ken Williams in Phoenix was thinking two months earlier, because he wrote it all in a five-page e-mail to headquarters.

He was worried about Arab-Muslim aviation students in Arizona, men like Hani Hanjour.

He was thinking some of them seemed dangerous with their Islamic fanaticism.

He was afraid they could be preparing an attack from the sky.

Five years after the fact, this is the story of two men, worlds apart, and their roles in the world’s most catastrophic terrorism event.

Read here