Antonius C.G.M. Robben is Professor of Anthropology at Utrecht University, the Netherlands, and the past President of the Netherlands Society of Anthropology. He is the author or editor of a number of books, most recently Political Violence and Trauma in Argentina (2005), Death, Mourning, and Burial: A Cross-Cultural Reader (Blackwell 2004), and Cultures under Siege: Collective Violence and Trauma (Marcelo Suarez-Orozco, 2000).

Jeffrey A. Sluka is Associate Professor of Anthropology at Massey University, New Zealand. Sluka was past Chair of the Association of Social Anthropologists of Aotearoa/New Zealand. He is the author of Hearts and Minds, Water and Fish: Popular Support for the IRA and INLA in a Northern Irish Ghetto (1989) and editor of Death Squad: The Anthropology of State Terror (2000).