Professor of law at Washington University in St. Louis, where his research and teaching revolve around criminal law and procedure and constitutional law. He has written two articles about errors in criminal justice, both of which appeared in the Harvard Law Review. “The Consequences of Error in Criminal Justice” analyzes the how the criminal justice system should balance the competing goals of preventing erroneous convictions and preventing erroneous acquittals. “Harmless Errors and Substantial Rights” explores the rules governing appellate review of constitutional procedural errors at criminal trials. His other legal scholarship has appeared or will appear in the Yale Law Journal, the University of Pennsylvania Law Review, the Michigan Law Review, the NYU Law Review, and the Vanderbilt Law Review, and his writing for popular audiences has appeared in The New York Times, The Washington Post, Vox, and The Atlantic. A nationally recognized expert on the Supreme Court, he is regularly quoted in the media. He is a graduate of Harvard Law School and a former law clerk for Supreme Court Justice Anthony Kennedy.