This class focuses on the legal and policy issues arising from the U.S. government's domestic security efforts post-9/11, including the detection and prevention of attacks or espionage on the U.S. homeland by foreign and domestic terrorists, foreign nations, criminal organizations or other hostile groups. The class is taught by a former senior national security official who served in the Bush and Obama Administrations, and will cover a variety of topics, including the current threat analysis, border and transportation security, NSA and FBI surveillance and counterterrorism activities, immigration enforcement, efforts to counter violent extremism and radicalization, detention of terrorism suspects, and cybersecurity, including discussion of foreign meddling in elections. The topics discussed address current societal issues, and vary each year.