She is a historian of modern Latin America, specializing in 20th-century Mexico, Central America and the Southern Cone. Her research interests include revolutionary and counterrevolutionary movements, the Cold War, dictatorships and transitional justice, memory, indigenous and First Nations history, and the politics of history, history-writing and archival access in society writ large. Her first book, Paper Cadavers: The Archives of Dictatorship in Guatemala, is forthcoming and is a historical and ethnographic study of the archives generated by Guatemala's National Police. In addition to her academic work, she periodically serves as an expert witness on behalf of Central American immigrants facing deportation.