Death Squads or Self-Defense Forces?: How Paramilitary Groups Emerge and Challenge Democracy in Latin AmericaIn an era when the global community is confronted with challenges posed by violent nonstate organizations from FARC in Colombia to the Taliban in Afghanistan our understanding of the nature and emergence of these groups takes on heightened importance. Julie Mazzei's timely study offers a comprehensive analysis of the dynamics that facilitate the organization and mobilization of one of the most virulent types of these organizations, paramilitary groups