Although we did not find clear evidence that Secretary Clinton or her colleagues intended to violate laws governing the handling of classified information, there is evidence that they were extremely careless in their handling of very sensitive, highly classified information.

The Clinton investigation was a completed investigation that the FBI had been deeply involved in, so I had an opportunity to understand all the facts and apply those facts against the law as I understood them. This investigation was under way - still going when I was fired. So it's nowhere near in the same place.

Really bad people around the world, because of the genius of American innovation, use our products and infrastructure for their emails, for their communications.

Secretary Hillary Clinton used several different servers and administrators of those servers during her four years at the State Department. She also used numerous mobile devices to send and to read email on that personal domain.

We did not find direct evidence that Secretary Clinton’s personal e-mail domain, in its various configurations since 2009, was successfully hacked. But, given the nature of the system and of the actors potentially involved, we assess that we would be unlikely to see such direct evidence.

Although we did not find clear evidence that Secretary Clinton or her colleagues intended to violate laws governing the handling of classified information, there is evidence that they were extremely careless in their handling of very sensitive, highly classified information.

Half of the devices that we encounter in terrorism cases, in counterintelligence cases, in gang cases, in child pornography cases, cannot be opened with any technique. That is a big problem. And so the shadow continues to fall.