McNeal introduced clicker technology (also known as audience response systems) into his curriculum as way to break from traditional, lecture-style teaching. Since the inclusion of this technology, his students have become more engaged during class discussions. McNeal is a national security specialist focusing on the challenges associated with global security. He has expertise in national security law and policy, criminal law, and international law. McNeal previously served as assistant director of the Institute for Global Security and co-directed a transnational counterterrorism program for the U.S. Department of Justice. He also served as an adviser to the chief prosecutor of the Department of Defense Office of Military Commissions on matters related to the prosecution of suspected terrorists held in Guantanamo Bay's detention facility.