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This document reports findings from a Rapid Evidence Assessment conducted on the role of mass and social media during and after terrorist events. It is designed to bring together and synthesize insights and evidence from the available published research literature to inform future policy and practice development. By promoting understanding of how different forms of mediated communication shape what happens in the aftermath of terror events, the work seeks to reflect changes in both the conduct of terrorism and the contemporary information environment. In particular, the spread of social media has had disruptive and transformative impacts upon press and broadcast journalism, and the ways
that terrorist violence is performed.

This study explores the utility of a sociological model of social organization developed by Best and Luckenbill (1994) to classify the radicalization processes of terrorists (i.e., extremist perpetrators who engaged in ideologically motivated acts of violence) who are usually categorized as loner or lone wolf attackers. There are several organizational frameworks used to define or classify violent acts performed by individuals who may or may not have ties to extremist groups, but these studies largely ignore the role of social relationships in radicalization and the extent to which they inform our knowledge of terror. To address this gap, we apply the Best and Luckenbill model of social organization using a qualitative analysis of three case studies of four lone actor or small cell terrorists. The findings demonstrate lone actors are not always true loners in the context of radicalization, and highlights the ways that the Internet and social ties foster the radicalization processes of terror.

The role of the internet in radicalizing individuals to extremist action is much discussed but remains conceptually and empirically unclear. Here we consider right-wing and jihadist use of the Internet – who posts what and where. We focus on extremist content related to radicalization to violent action, and argue that victim videos and jihad videos are particularly powerful in moving individuals to radical action. We interpret these two kinds of video as complementary parts of the kind of mobilization frame studied by social movement theorists. Finally we consider various kinds of government effort to control extremist content on the Internet.

VOX-Pol Blog post.

Over the last decade, there has been an increased focus among researchers on the role of the Internet among actors and groups across the political and ideological spectrum. There has been particular emphasis on the ways that far-right extremists utilize forums and social media to express ideological beliefs through sites affiliated with real-world extremist groups and unaffiliated websites. The majority of research has used qualitative assessments or quantitative analyses of keywords to assess the extent of specific messages. Few have considered the breadth of extremist ideologies expressed among participants so as to quantify the proportion of beliefs espoused by participants. This study addressed this gap in the literature through a content analysis of over 18,000 posts from eight far-right extremist forums operating online. The findings demonstrated that the most prevalent ideological sentiments expressed in users’ posts involved anti-minority comments, though they represent a small proportion of all posts made in the sample. Additionally, users expressed associations to far-right extremist ideologies through their usernames, signatures, and images associated with their accounts. The implications of this analysis for policy and practice to disrupt extremist movements were discussed in detail.

VOX-Pol Blog post.