She is the author of Mexican Exodus: Emigrants, Exiles, and Refugees of the Cristero War (Oxford University Press, 2015). The book examines the network of religious exiles, political refugees, and labor emigrants who supported the Catholic Church during Mexico’s Cristero war. She co-edited Local Church, Global Church: Catholic Activism in Latin America from Rerum Novarum to Vatican II (with Stephen Andes, The Catholic University of America Press, 2015). She has published articles in The Americas, The Catholic Historical Review, The Journal on Migration and Human Security, and Commonweal. She holds a PhD in History from the University of Chicago (2009).