david tyson was the only uzbek speaker in the cia. he was based in the cia station, also a medic and greenbrae captain. they were -- greenbrae captain -- green beret captain. they were an eclectic band. they were used to cutting deals, and it was also put together at the last moment. some of the men had barely met each other. everything was improvised because it was imperative to get in quickly. the aim of the mission was to hunt down al qaeda and prevent another attack on america and deny the safe haven that taliban had been providing al qaeda. it was a fascinating period of history. i feel let people think that the people who went and -- the picture of them, somebody commented that they looked like suburban dad's about to mow the lawn. that is a little bit of an exaggeration. in other ways, it was pretty ordinary people who stepped up and her -- and who were dropped into the unknown. host: our guest will continue with us for the hour if you want to ask him questions about his book. (202) 748-8000 for the eastern time zone's. war vet

i was fascinated by the story of david tyson.lled dozens of al qaeda in the process of getting out. i tracked him down. i met him about eight years ago. he lived in vienna, virginia, very close to where i live. i met him at a panera bread. he could not say very much because he was still serving. he contacted me when he retired. i went to other members of the team. i said listen, i am an author and journalist and i studied modern history as an undergraduate and i want to piece together what happened. you build up trust and credibility and you get people to vouch for you and you keep moving on. at a certain point, there was a shift in the center of gravity and people were opening up and there was a consensus view that i was serious and was not coming in with an agenda. i was afraid the cia might try to hinder me so i held back on contacting them. once i had enough for the book, i went to the cia and said, this is what i am doing. and they said, we know. they did facilitate some interviews with serving members of the cia. one member

david. hey, who beat j. 40 a on points, and now the 40 year old ones tyson fury next. if i'm going to come back into the school box in a real point against, you know, someone special, that is the guy i know i can be, i know his stall. i know what he does well and my attributes don't work for his style. and i think him and his team note, i think maybe they think i'm a little old starting probably will take the fight for your support from me for now . i'll be back with more like gemma. thanks very much. indeed, bobby is going to be here in a couple of minutes with more on all these toys more. i'm rob matheson by ah, news news. news. news. it was meant to be that he just here to care is going ox quickly. but a project attack stunned the world and the u. s. president, a guy came in and whispered something into the previous year. what did he fatal for the school children present? the events of september, the 11th defined the world. they grew up in just a huge moment. these are their stories. 911, witness on al jazeera, the city of cobble has experience so much upheaval for