Former Head of FBI National Security Division on International and Domestic Terrorism

In this episode of Intelligence Matters, host Michael Morell speaks with Carl Ghattas, former executive assistant director of the FBI's National Security Branch, about the bureau's efforts to combat international and domestic terrorism. Ghattas explains how the FBI balances efforts to investigate crimes already committed with those intended to prevent new terror attacks. Morell and Ghattas also discuss the challenges related to the spread of violent ideologies through social and other online media.