A War Yet to Be Won: It's not just Osama bin Laden who remains at large. So do most of the key Qaeda operatives who planned and financed the September 11 attacks.(September 11, 2001 invesatigations)(Cover Story)

Byline: Mark Hosenball

Flush with cash and sharply dressed, Abdul Majid didn't much look like an Islamist terrorist. In the mid-'90s, hanging out in Manila with his sidekick, Abdul Basit, Majid was regarded by the locals as a somewhat smarmy playboy who worked hard to impress women. Infatuated with a young dentist, he called her from a cell phone one day and told to her look in the sky. When she did, she saw Majid, waving from the cockpit of a hovering helicopter.

It wasn't until much later that police, after interrogating his former girlfriends, would conclude that fun-loving Majid was actually Khaled Shaikh Mohammad, a radical jihadist on a mission to destroy America. His "friend" Basit was in fact his nephew--Ramzi Yousef--then wanted for his part in planning deadly attacks on the United States. Together, U.S. officials say, the two men may have plotted the 1993 World Trade Center bombing, and drew up an even more ambitious plan to blow up commercial airliners. Ramzi Yousef was arrested before the plot could be carried out, and is now serving a life sentence in a U.S. prison. But Khaled Shaikh Mohammad eluded capture and disappeared. In the years that followed, Mohammad's plans…