We are ramping up security in the United States but also looking at visa applicants, visa waiver applicants - and looking at travel manifests on the airplanes trying to come into the United States.

What is our capability when someone posts a public social media posting that says that they're going to conduct attacks on the United States on behalf of the Islamic State. Why can't we pick up that information and then stop that act of terror?

We know there are terrorists communicating with individuals in the United States. We just can't see what they're saying.

Michael McCaul Quotes