josh roggen is the reporter that broke the story. josh, let me start with this, when you hear the word courier and al qaeda you think of the capture of osama bin laden, a physical courier driving the car that they were able to follow, so we've heard about this before. but this is an electronic trail, that's how they were able to find this. how do they do it? >> so, here's what happened, after a seven-hour internet conference between all of these leaders, the details of that conference, the minutes of it, were given to this courier and he then took it and tried to send it around to a greater distribution list inside the al qaeda community. when he did that, he made some mistakes in his open ratiration security and they were able to catch the mistakes and track him and with the help of the yemeni authorities pick him up and capture him and when they got him they found a video of the entire seven-hour conference call along with a host of all other sorts of goodies about what al qaeda was up to. that is exactly how we found out about the