Growing U.S. Violent Extremism by the Numbers: UMD Database

University of Maryland NewsDecember 11, 2011 COLLEGE PARK, Md. - Over the past decade, attacks and plots by homegrown terrorists in the United States have increased, the work of extremists from across the political spectrum - roughly 40 percent of it by so-called 'lone wolf,' non-aligned actors - says an analysis  by the National Consortium for the Study of Terrorism and Responses to Terrorism  (START) based at the University of Maryland. The statistics underscore the threat