In this article, the present status of our knowledge about the phenomenon of "suicide" bombing or "martyrdom" operations is identified. A review of many studies located at different levels of analysis is conducted, followed by an analysis and evaluation of the state of the research at each level. In addition, an exploration of the evolution in the characteristics of this tactic and the differences, if any, between subnational and transnational acts is undertaken. The conclusion identifies what we know and what may be appropriate for future research and public policy initiatives.
Keywords: Terrorism; martyrdom; psychology; suicide; terrorist organizations.