She has conducted research on the topics of human rights and religion in Mexico and the United States for the last 15 years. Her previous research on indigenous rights in southern Mexico has been published in Mayan Voices for Human Rights: Displaced Catholics in Highland Chiapas (University of Texas Press, 2005) and Women of Chiapas: Making History in Times of Struggle and Hope (Routledge, 2003 co-edited with Christine Eber). Most recently, she has been conducting interviews with Central American migrants crossing southern Mexico en route to the United States on the topic of human rights. She is collaborating with a number of groups on the issue of day laborers and worker rights in Houston. Education