[20190201]IN11031_美国情报界：第116届国会的国土安全问题.pdf

CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i The U.S. Intelligence Community: Homeland Security Issues in the 116th Congress Michael E. DeVine Analyst in Intelligence and National Security Updated February 1, 2019 Intelligence support of homeland security is a primary mission of the entire Intelligence Community (IC). In fulfilling this mission, changes to IC organization and process, since 9/11, have enabled more integrated and effective support than witnessed or envisioned since its inception. The terrorist attacks of 9/11 revealed how barriers between intelligence and law enforcement, which originally had been created to protect civil liberties, had become too rigid, thus preventing efficient, effective coordination against threats. In its final report, the Commission on Terrorist Attacks upon the United States (the 9/11 Commission) identified how these barriers contributed to degrading U.S. national security. The findings resulted in Congress and the executive branch enacting legislation and providing policies and regulations designed to enhance information sharing across the U.S. government. The Homeland Security Act of 2002 (P.L. 107-296) gave