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Clark Neily is vice president for criminal justice at the Cato Institute. His areas of interest include constitutional law, overcriminalization, civil forfeiture, police accountability, and gun rights. Neily is the author of Terms of Engagement: How Our Courts Should Enforce the Constitution’s Promise of Limited Government. His writing has appeared in the Wall Street Journal, Forbes, and National Review Online, as well as various law reviews, including the Harvard Journal of Law and Public Policy, George Mason Law Review, Georgetown Journal of Law and Public Policy, NYU Journal of Law and Liberty, and Texas Review of Law and Politics. Neily is a frequent guest speaker and lecturer for the Federalist Society, Institute for Humane Studies, and American Constitution Society.

Before joining Cato in 2017, Neily was a senior attorney and constitutional litigator at the Institute for Justice and director of the Institute’s Center for Judicial Engagement. He is also an adjunct professor at George Mason University’s Antonin Scalia Law School, where he teaches constitutional litigation and public-interest law.

Neily served as co-counsel in District of Columbia v. Heller, the historic case in which the Supreme Court held for the first time that the Second Amendment protects an individual right to own a gun for self-defense.

Neily began his legal career as a law clerk to Judge Royce Lamberth on the U.S. District Court for the District of Columbia. After that he spent four years in the trial department of the Dallas-based firm Thompson & Knight. Neily received his undergraduate and law degrees from the University of Texas, where he was Chief Articles Editor of the Texas Law Review.

More from Clark Neily

Blog Posts

Public Filings

John Doe, a/k/a Cheyenne Moody Davis v. United States

Legal Briefs. August 15, 2019.

I.B. and Doe v. April Woodard, et al.

Legal Briefs. April 10, 2019.

Mitchell v. Wisconsin

Legal Briefs. March 4, 2019.

Cato Reviews & Journals

Our Broken Justice System

Policy Report. May/June 2019.

District of Columbia v. Heller: The Second Amendment Is Back, Baby

Supreme Court Review. 2007-2008.


Sphere Summit: Teaching Civic Culture Together

July 14, 2019 to July 18, 2019. Conference.

Of Dogs and Men

June 6, 2019. Film Screening.

Harm Reduction: Shifting from a War on Drugs to a War on Drug-Related Deaths

March 21, 2019. Conference.