Kelly Lytle Hernández is a professor of History, African American Studies, and Urban Planning at UCLA where she holds The Thomas E. Lifka Endowed Chair in History and directs the Ralph J. Bunche Center for African American Studies. One of the nation’s leading experts on race, immigration, and mass incarceration, she is the author of Migra! A History of the U.S. Border Patrol(University of California Press, 2010), City of Inmates: Conquest, Rebellion, and the Rise of Human Caging in Los Angeles(University of North Carolina Press, 2017), and the forthcoming book Bad Mexicans: Race, Empire, and Revolution in the Borderlands (Norton, 2022). She also leads Million Dollar Hoods, a big data research initiative documenting the fiscal and human cost of mass incarceration in Los Angeles. For her historical and contemporary work, Professor Lytle Hernández was named a 2019 MacArthur “Genius” Fellow. She is also an elected member of the Society of American Historians, the American Academy of Arts and Sciences, and the Pulitzer Prize Board.