exactly how usama was allowed to actually stay in here all this time. no arrests yet, no indications of who these people actually are. they're still trying to get more information out of the three women, jenna. jenna: dominic di-natale live in pakistan, thank you. jon: so usama bin laden may have taken some of his secrets to the grave, but he also left an awful lot behind on computer files, flash drives, handwritten letters, even phone numbers sewn into his clothing. right now the cia has a giant task force that's combing through all of that information. ray locker is managing director of the investigative project on terrorism. so where do they start, ray? >> well, first of all, jon, you get all of this information together, probably in a central database, and you have a team of analysts combing over every piece of it to see, you know, what they have, what kind of patterns they can find. you know, maybe they have 100 documents that mention the same names or a pattern of phone numbers or addresses, all of