Brian Michael Jenkins
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When Jihadis Come Marching Home: The Terrorist Threat Posed by Westerners Returning from Syria and Iraq

Rand Corporation

Abstract

Although the numbers of Westerners slipping off to join the jihadist fronts in Syria and Iraq are murky, U.S. counterterrorism officials believe that those fighters pose a clear and present danger to American security. This Perspective seeks to examine the scope of the threat posed by Western fighters who return to their homes after fighting in Syria and Iraq; what can be done to reduce the threat, and whether military action is necessary in combating it, as well as whether a more ambitious American military intervention in Iraq and Syria is required.