Sources

Center for Security Policy

Investigative Project on Terrorism

Long War Journal

RealClearWorld

Bill Gertz

Legal Insurrection

RealClearInvestigations

DEBKAfile

Combating Terrorism Center at West Point

Jamestown Foundation

The Cipher Brief

Columnists

Ralph Peters

Caroline Glick

Victor Davis Hanson

Resources

DNI’s National Counterterrorism Center

Secret Service’s National Threat Assessment Center

Threat Assessment in Schools: A Guide to Managing Threatening Situations and to Creating Safe School Climates (Secret Service report)