america. a lot of denial of responsibility. and that was infuriating to me. i sometimes just lost it. as a reporter, you don't want to do that. you want to get the information. you want to have a comfortable relationship with your sources and get them to trust you. >> sean: you are staring evil in the eye? >> it is hard to say this. but, when you have a really good source, you mainly want to get the information out of them. you try to put what they've done out of your mine. like in the documentary you will see one of zawahiri's men a part of al-jihad, a terror group in egypt. he tried to assassinate the prime minister. he put a car bomb near a girl's school and killed a little girl, 12-years-old, shame on him. now, yasser is a very