This paper presents the results from exploratory primary research into the role of the Internet in the radicalization of 15 terrorists and extremists in the UK.
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This report reviews the scientific literature relating to observable, individual-level behavioral indicators that might — along with other information — help detect potential violent attacks. The report focuses on new or nontraditional technologies and methods, most of which exploit data on communication patterns, "pattern-of-life" data, and/or data relating to body movement and physiological state. To help officials set priorities for special attention and investment, the report proposes an analytic framework for discussion and evaluation; it also urges investment in cost-effectiveness analysis and more vigorous, routine, and sustained efforts to measure real-world effectiveness of methods. One cross-cutting conclusion is that methods for behavioral observation are typically not reliable enough to stand alone; success in detection will depend on information fusion across types of behaviors and time. How to accomplish such fusion is understudied. Finally, because many aspects of using behavioral observations are highly controversial, both scientifically and because of privacy and civil-liberties concerns, the report suggests ways to resolve some of the controversy while significantly mitigating problems that definitely exist.
This report is of utmost importance to researchers investigating event detection, particularly violent acts carried out by extremists.