“The dark space is one of the biggest concerns on the part of counterterrorism officials right now. Comey did a good job of explaining how they jump into a direct messaging box and then go into platforms designed specifically to be secure. There's no way, even if we have a lawful court order, to be able to access those communications.”

American politician and attorney, since 2005

Michael Thomas McCaul Sr. is an American politician and attorney who has served in the U.S. House of Representatives for Texas's 10th congressional district since 2005. A Republican, he has represented a district that stretches from Austin to Houston. He chaired the House Committee on Homeland Security during the 113th, 114th, and 115th Congresses. His public profile is tied to national security and federal representation in Texas.