Sarah Harrison is a Senior Analyst at the International Crisis Group’s U.S. Program. Before joining Crisis Group, Sarah served for more than four years as Associate General Counsel at the Department of Defense’s Office of General Counsel, International Affairs, where she advised on domestic and international legal issues related to U.S. national security and the activities of the U.S. armed forces. From 2020 to 2021, Sarah taught international law as an adjunct professor for the Georgetown University Law Center, and from 2015 to 2017, Sarah served as Counselor to the Secretary of Homeland Security. Sarah has also worked for the International Committee of the Red Cross, the White House Office of Legislative Affairs, Human Rights First and the American Civil Liberties Union.