The FBI's principal priority right now is protecting the United States against another terrorist attack.

Leaking of classified material is a concern.

There are only two types of companies: those that have been hacked, and those that will be. Even that is merging into one category: those that have been hacked and will be again.

But since September 11, we have made every effort to try to work closely with state and local law enforcement.

So there is a foreign intelligence purpose for every one of our FISA warrants.

Prior to the passage of the Patriot Act, it was very difficult - often impossible - for us to share information with the Central Intelligence Agency, with NSA, with the other intelligence agencies, and likewise, for them to share information with us.

The 19 hijackers that came over here to commit the attack on Sept. 11, there were those that were at the bottom of the line. There were those who were the principal conspirators. There were those who were the pilot. Everybody has a role.