American University National Security Law Brief Volume 9 Issue 1 Article 3 2019 Treason in the Age of Terrorism: Do Americans Who Join ISIS 'Levy War' Against the United States? Stephen Jackson SAIC Follow this and additional works at: https://digitalcommons.wcl.american.edu/nslb Part of the Military, War, and Peace Commons, and the National Security Law Commons Recommended Citation Jackson, Stephen "Treason in the Age of Terrorism: Do Americans Who Join ISIS 'Levy War' Against the United States?," American University National Security Law Brief, Vol. 9, No. 1 (2019). Available at: https://digitalcommons.wcl.american.edu/nslb/vol9/iss1/3 This Article is brought to you for free and open access by the Washington College of Law Journals & Law Reviews at Digital Commons @ American University Washington College of Law. It has been accepted for inclusion in American University National Security Law Brief by an authorized editor of Digital Commons @ American University Washington College of Law. For more information, please contact
[email protected]. TREASON IN THE AGE OF TERRORISM: DO AMERICANS WHO JOIN ISIS 'LEVY WAR' AGAINST THE UNITED STATES? Stephen Jackson ABSTRACT Treason is a crime often considered archaic and unnecessary in the modern era. In the post-9111 world, however, treason is a viable legal instrument available for use against a ruthless enemy known as the Islamic State in Iraq and Syria ("ISIS"). To combat this floundering but still formidable foe, the U.S. government must consider how the crime applies to those Americans who actively or previously supported ISIS. To be sure, terrorism statutes will remain the main weapons in a U.S.