mr. sheehan -- for counter- terrorism for the state department. mr. n, if you could, give us the operation to find fisa shahzad's co-conspirators -- faisal shahzad's co- conspirators. guest: he gave an indication of a of two things, that number one, he had money coming in from training camps in pakistan and that there were others of the training camps there. the main objectives were to find his context here and there. they're starting to make arrests dot -- his contacts kiron there. they're starting to make arrests. host: is it going well? guest: it is. he is talking. they have leads on his phones and computers. host: what kind of tools as the nypd and the fbi, etc., have and what kind of tools you think they should have to prevent domestic terrorism? guest: i have written extensively about what i think is the most important tool to prevent terror attacks in the united states, and that his intelligence. investigations is a term and basically, it is the type of thing that you will see on television against organized crime. and what do we use to break up

mr. sheehan. go ahead. mr. sheehan is reconnecting his microphone.i will listen in nature that we year. caller: thank you for the opportunity to pass on an ad -- to pass on a suggestion that i have. based on my experience, the most significant way to defend against domestic terrorism is a is to infiltrate. guest: i absolutely agree. i think it is the key way. these are the intelligence instruments their use. infiltrate by putting informants, undercover agents, and then you get the authority to listen to their phones and wiretaps. that is the bread and butter, the blocking and tackling of infiltrating a terrorist organization, organized crime, or narcotics or whatever. host: it is it -- is a different situation when it is combating domestic terrorism? guest: it is, and the reason it is more politically sensitive than organized crime or narcotics trafficking is that often, you might be looking at people that may just be a political dissidents. they may be angry at the government and they are allowed to be angry at the government. you are allowed to exp