They're not using satellite phones. They're using Web sites and posing as teenage girls.

In many respects, we're fighting the last intelligence war. We have not pursued data mining in the way we should.

Clues are often very fleeting in nature. The question has become, 'How much can and should the government be doing, and what is the legality?' I'd be comfortable relinquishing some privacy for security. The question is, where is the equilibrium point?

It requires no banks, no safe-deposit boxes. It just needs communication.