| Summary/Abstract |
most media and academic attention has focused on mass shootings and other deadly conventional attacks, far-right non-state actors have also considered developing chemical, biological, radiological, and nuclear (CBRN) weapons. Some far-right extremists have suggested using radiological devices, often referred to as “weapons of mass disruption,” as one means to achieve their ideological goals. Although radiological plots and successful attacks have rarely occurred, the presence of unsecured radioactive sources across the United States augments the danger of this type of terrorism. To explore dimensions of the radiological-weapons threat posed by domestic far-right extremists, this paper studies three illustrative cases of possible radiological-weapons pursuit since 2008, aiming to identify lessons from these incidents. An in-depth examination of the cases reveals foremost that some actors successfully acquired materials needed for a radiological weapon without triggering intervention by authorities. Additionally, although the individuals did not plot in large, hierarchical groups, they had links to other people and organizations that shared their far-right views and allegedly discussed their plans with others. While broad generalizations cannot be made from three cases, these incidents provide concrete examples of the far-right radiological-weapons threat and context for understanding how far-right extremists view the role of CBRN weapons.
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