so how did you get from nuremberg thinking about khalid sheikh mohammed and the appropriate way to -- give us -- i mean, i take one of the major themes of your book as really that the problem of trying to people like khalid sheikh mohammed is much more different and colleagues and critics and ordinary people think and you play that throughout the pages of your book. talk about that a little bit. >> it's incredibly complicated to try these al-qaeda people. i mean, there's no absolute comparison, of course, between the nazis and al-qaeda but nuremberg -- nuremberg we created a vehicle to remove evil, men imbued with evil. and one of the most threatening forms of evil in my view is fundamentalismists which the leaders have been al-qaeda. they threaten western civilization and they threaten mostly muslims, most of their victims have been muslims and they are most devastating and visible attack, of course, was on 9/11. but, yes, you're right. there are a lot of critics of military bunlz and it seems to me that it's important to criticize military nurembergs. and military tribunals were sai

he once worked alongside khalid sheikh mohammed mastermind of the attacks of 9/11.y khan this guy was part of a wave to carry out a second wave of attacks inside the united states. now we are hearing he may testify against khalid sheikh mohammed the 9/11 mastermind at his trial. catherine herridge is at gitmo. she was in the courtroom where today khan made his first appearance in nearly a decade. >> shepard, i was just 15 yards away from khan as he entered the courtroom. 11 court security officers, he was unshackled. he was very american, very western in his appearance. after the three hour hearing he was depicted as al qaeda operative filled with remorse. >> immediately when i met mr. khan, you could tell he was a person who wanted a second chance at life. i think you see a very credible result that fits, that is justice. >> khan pled guilty to the all of the charges against him including murder, attempted murder, providing material support to a terrorist organization. in this case al qaeda. conspiracy and spying. khan also attacks on gas stations inside the united

people killed on 9/11 we're learning more about the self-proclaimed mastermind of the attack, khalid sheikh mohammedre seeing him on the screen, is the most high valued terror suspect in custody. brand new details about the worldwide manhunt that led to his capture, coming out in a blockbuster of a book. josh meyer was nominated for a pulitzer prize for his reporting on al-qaeda for the los angeles times, co-author of "the hunt for ksm, inside the pursuit and takedown of the real 9/11 mastermind, khalid shaikh mohammed". matthew brashear is also with us from the fbi's joint terrorism task force, he helped track down ksm. we're glad to have you both here. josh, as you saw in our intr or heard us, we referred to klm as the self-proclaimed mastermind. you call him the real 9/11 mastermind? why? >> right. the pur lick perception and misperception is that usama bin laden was the mastermind behind 9/11 and the basic outline of ksm's rovment is known but the public doesn't know 99 percent of the story about how ksm conceived of the plot, brought it to al-qaeda and bin laden, orchestrated it and saw it thro

they always wondered why it was that khalid sheikh mohammed would send two of his most important hijackers to southern california, but to san diego in the early 2000's. these two hijackers were extremely important to the plot. they were the advance team. they were the beach head. they were battle trains jihadists. they had never been to the united states before. they spoke virtually no english. the 9/11 investigators believed there had to be someone here to meet them. they long suspected that someone was the cleric anwar al-awlaki. when the two hijackers arrived, they have what is described as a chance lunch with a saudi at a middle eastern restaurant in los angeles. and senator graham told me they were also very suspicious of this chance meeting. they hired an actuary to figure out what the statistical likelihood was. two hijackers having a chance meeting with this saudi who was widely believed to be a spy in the community on saudi since. he told me that the statistician can back and said the likelihood was more than 5 million to 1. i'm not a math person, but to me that is statistically i