Are Mohammed's claims to be believed? He has long been described — notably in The 9/11 Commission Report — as prone to exaggeration and self-aggrandizement, fond of portraying himself as a "superterrorist." The notes to the Commission's conclusions mention the possibility of Mohammed "inflating his own role." He may also be attempting to defend his part in the 9/11 planning against the testimony of other terror suspects. The Commission's notes indicate that, according to another terror chieftain, Abu Zubaydah, Mohammed originally offered Osama bin Laden a more modest proposal for attacking the U.S., but that bin Laden reportedly berated him, saying "Why do you use an ax when you can use a bulldozer?" What's more, Mohammed has also used disinformation in the past. He admitted under previous interrogation that a list of 30 supposed U.S. targets, which he circulated shortly after 9/11, was a lie to exaggerate the scale of al-Qaeda's planning. Terrorism experts say that though there is no doubt Mohammed played a major role in planning 9/11, he's famous among interrogators for his braggadocio. "He has nothing else in life but to be remembered as a famous terrorist," says Bruce Riedel, Senior Fellow at the Saban Center at the Brookings Institute and a 29-year veteran of the CIA. "He wants to promote his own importance. It's been a problem since he was captured," says Reidel, who went on to say he wouldn't be surprised if Mohammed was exaggerating his role in other plots.