it out as far as and as long as you can to see if there is anything there or if it kind of eventually factors into some sort of pattern. remember, they are setting the stage in all that they do to find this guy immediately. at the same time, they realize they may thought. so, they are trying to create the best possible record so that they can go back using computer analysis and human on hands assessment and try to figure out anything now that they are missing. as all this massive amount of information is coming in from all these interviews that these people are doing. ainsley: terry, have things changed now since the unabomber, it did take you a long time. 18 years u things are different and we didn t have the computers like we do now. what s changed so we can be reassured we will find this guy sooner than that? well, that s a great question. you know, we learn from the unabomber and we applied many of the lessons in unabomb to eric robert rudolph the olympic bomber. it only took a f