Growing US violent extremism by the numbers: UMD database

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 ...

Report: Discovery networks hostage-taking a rare terror event

A new report by terrorism researchers at the University of Maryland concludes that the deadly hostage-taking incident at the Discovery Communications headquarters in suburban Washington, D.C. meets the criteria of a terrorist ...

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