At JHU, she teaches courses in political theory and law. She has interests in a wide range of subjects, including state violence, jurisprudence, ethics, judgment, aesthetics, and language. She has written articles and book chapters on revenge, mercy, pain, capital punishment, metaphysics, the philosophy of becoming, and law and literature. She is the author of Dead Certainty: The Death Penalty and the Problem of Judgment (Stanford University Press, 2008) and the co-editor, with Austin Sarat, of States of Violence: War, Capital Punishment, and Letting Die (Cambridge University Press, 2009). She is currently writing a book on the philosophy of law and the thought of Hannah Arendt.