In order to be successful against each of these threats we have to have a presence overseas work closely not only with our counterparts in the law enforcement community but also with the intelligence community.

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.

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

There’ll be differences of opinion in just about every intelligence analysis that you make.

Robert Mueller Intelligence Quotes