The FBI's principal priority right now is protecting the United States against another terrorist attack.
And from the moment that we realized it was a terrorist attack, there isn't an agent or a support person in the FBI that wasn't committed to bringing to justice those who were responsible for this.
In the wake of the September 11 attacks, it became clear that the FBI's number one priority must be the prevention of another terrorist attack.
We cannot turn back the clock. We cannot undo the impact of technology. Nor would we want to.