to put pressure on them. >> i was initially skeptical that charlotte, north carolina, would be tom hotbed for a terrorist organization like hezbollah. i thought, well, maybe we're just trying to be relevant here. maybe we're trying too hard to be considered an important field office. they say, bob, the fbi does not investigate or pursue such a low level crime. we'd like to, bob, we just can't. >> a war 9/11 and before the patriot act, there was a strict wall between criminal and intelligence investigators. >> back in the '70s, the fbi had its wings clipped. the legislature in the country said we don't want you to be spying on people in the united states. intelligence cases are entirely separate from criminal cases. >> the intelligence side was to gather information not to gather evidence, not to put people in jail. >> we were addressing terrorism like we did spies, identify them, monitor them, there was no