JAMES CLAPPER: I certainly work every day to try to avoid having to deal with a situation like that where someone's able to get here into the United States on a plane. But as Secretary Napolitano said-- we have taken an-- a number of steps since last December. We did the after action review. (CLUNKING) We identified deficiencies in the system. Why was he able to get on a plane? Why wasn't there action taken once his father came in and saw U.S. officials? What can we do to strengthen the system? And after every incident-- whether we're talking about-- last December, whether we're talking about Fort Hood, whether we're talking about other things, we have learned lessons from those examples of-- attempted attacks. And we now I think are-- have a much stronger system as a result.
DIANE SAWYER: As we know, everyone keeps saying-- well, not everyone keeps saying, but the critics keep saying that we keep closing-- we keep fighting the last war. We keep closing the door on the last event. And that we're spending billions of dollars for instance on airport security when in fact airport security has not picked up a single terrorist, potential terrorist event. And that we are spending billions, which is exactly what the terrorists want, on last time's event instead of anticipating next time's?
JANET NAPOLITANO: Well, I-- I think that it would be unreasonable if we weren't correcting-- problems that we've found in reaction to an Abdulmutallab, say, for example. And-- and fixing the gaps in the system as we have in the last year. But-- I also think-- there's a lot of work that's being done to step ahead-- beyond that which-- the public knows. To put into place other layers of security that the public will not see and, quite frankly, that we cannot and should not talk about, to make sure that the public stays safe. So-- yes, there are things that we do to fix gaps that we know about and see when an event occurs, absolutely. But that doesn't mean we're not also thinking ahead and putting into place other measures that the public may not see.
JAMES CLAPPER: And most days if these terrorists are trying to murder people. Murder innocent men, women and children, they'll do it any way they can. And we have put obstacles in their way. We have made it a much-- less hospitable environment for them to be able to ply their trade. We're continuing to do that. But these are people out there that are damned and determined to kill people for no other agenda other than just to cause carnage and to kill. So it's a difficult challenge. It's one that we have to make sure that we're on top of our game every day. Because all the-- the air traffic that takes place on a single day. And all those planes. So this is a constant effort. It's across multiple departments and agencies. And-- I think we've been very-- effective as far as making it much more difficult for terrorists to carry out attacks.
DIANE SAWYER: All in on the 483 full body scanners. Are there gonna be a lot more?
JANET NAPOLITANO: Yes. By the end of the year there will be-- more deployments of the AITs and-- over the next two years-- we'll be covering almost--
DIANE SAWYER: More-- (OVERTALK)
JANET NAPOLITANO: --lanes (?).
DIANE SAWYER: --more pat downs-- and-- and random checks on trains?
JANET NAPOLITANO: We will be seeing-- more security on trains. Some you will see. Some you will not.
DIANE SAWYER: And malls? What do you do about malls?