Professor Sievert graduated from St. Bonaventure University in 1970, served four years as an Army officer and graduated from the University of Texas School of Law in 1977. He joined the US Department of Justice in 1983. After trying several major violent crime, corruption and fraud cases he was named a DOJ Senior Litigation Counsel, Chief of the Criminal Division of the Eastern District of Texas, Chief of the Austin Division of the Western District of Texas and DOJ Assistant Director in Charge of the evaluation of all of the nation's US Attorney's offices. In 1990 he was assigned to DOJ's National Security Working Group and as an International and National Security Coordinator for the Department as well as legal advisor to the Central Texas Counter Terrorism Working Group. As INSC he worked closely with the FBI and US intelligence agencies on both international and national security related cases, trained federal prosecutors, and has traveled to Kosovo, Qatar, Israel and England to teach foreign judges and prosecutors and investigate international and national security matters. He began teaching at the FBI Academy and US Department of Justice Advocacy Institute in 1985. In 2000 he took a leave of absence to teach National Security Law and Federal Criminal Law at the University of Texas School of Law and has continued teaching as an adjunct professor at UT Law. He has received several awards for his work including the Department of Justice Directors Award for Superior Performance on two occasions and awards from several government agencies. He has published two books, Cases and Materials on US Law and National Security (2000, third edition 2012) and Defense, Liberty and the Constitution (2005) as well as nine Law Review Articles on legal issues related to national security.
Cases and materials on US Law and National Security (2000, 2006, and 2012)
Defense, Liberty and the Constitution (2005)
Time to Rewrite to Ill Conceived and Dangerous Foreign Intelligence Surveillance Act of 1978, National Security Law Journal 2014
Congress's Consistent Intent To Utilize Military Commissions In The War Against Al-Qaeda And Its Adoption Of Commission Rules That Fully Comply With Due Process, with Congressman Michael McCaul, St. Mary's Law Journal 2011
Working Towards An Enforceable Nuclear Non Proliferation Regime; Fordham International law Journal 2010
A New Perspective on National Security Law Policies During the Bush Administration and Their Implications for the Future; Constitutional in Conception, Problematic in Implementation, Rutgers Journal of Law and Public Policy, December 2009.
War on Terrorism or Global Law Enforcement Operation; Notre Dame Law Review 2007
Meeting the Twenty First Century Terrorist Threat Within the Scope of Twentieth Century Constitutional Law; Houston Law Review 2001
Campbell v. Clinton and the Continuing Attempt to Reassert Congress' Constitutional Authority to Initiate, or Prevent, War; Dickinson Law Review 2001
Patriot 2005-2007, Truth, Controversy and Consequences; Texas Review of Law and Politics 2007
A New Perspective the International Criminal Court; Why the Right Should Support the ICC and How the US Can Use It; University of Pittsburg Law Review 2007
Missile Guidance to China, Nuclear Technology to Libya, Air Defense to Iraq; Has the Time Arrived to Revamp Our Outdated and Ineffective Export Control Regime; Texas International Law Journal 2004