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This book examines two key themes in terrorism studies, the radicalisation process and counter-terrorism policies, through the lens of social networks.
It aims to show that networks should be at the forefront not only when analysing terrorists, but also when assessing the responses to their actions. The volume makes a unique contribution by addressing two relatively new themes for terrorism studies. First it puts social relations and cooperation issues at the forefront – an approach often identified as crucial to future breakthroughs in the field. Second, many contributions tackle the role of the Internet in the process of radicalisation and in recruitment more generally, a highly debated topic in the field today. In addition, the book provides a valuable mix of review essays, critical essays, and original empirical studies. This balanced approach is also found in the topics covered by the authors, as well as their academic disciplines, which include sociology, computer science, geography, history, engineering, and criminology as well as political science. Many of the true advances in terrorism studies depend on the successful collaboration of multi-disciplinary teams, each with a different set of methodological and conceptual tools. This volume reflects the new-found diversity in this field and is a true product of its time.

Terrorism. Why does this word grab our attention so? Propaganda machines have adopted modern technology as a means to always have their content available. Regardless of the hour or time zone, information is being shared by somebody, somewhere. Social media is a game changer influencing the way in which terror groups are changing their tactics and also how their acts of terror are perceived by the members of the public they intend to influence.

This book explores how social media adoption by terrorists interacts with privacy law, freedom of expression, data protection and surveillance legislation through an exploration of the fascinating primary resources themselves, covering everything from the Snowden Leaks, the rise of ISIS to Charlie Hebdo. The book also covers lesser worn paths such as the travel guide that proudly boasts that you can get Bounty and Twix bars mid-conflict, and the best local hair salons for jihadi brides. These vignettes, amongst the many others explored in this volume bring to life the legal, policy and ethical debates considered in this volume, representing an important part in the development of understanding terrorist narratives on social media, by framing the legislative debate.

Advertising, business, community, privacy concerns, politics, sex, love – these are issues that are associated with the term social networking platforms in popular media clippings, such as the ones just cited. The examples, which certainly have differing depth, character, and quality, show that social networking sites (SNS) and what many term “Web 2.0” have become important topics all over the world and seem to shape economic, political, and cultural communication of contemporary society. Some see SNS as creating new opportunities for democracy, business, or entertainment. Others consider them as risk that will destroy culture and society. Many of these mass- mediated debates are oversimplified and one-sided. But nonetheless they show that there is an interest in the question how online communication tools transform society and our social relations.

In recent years, the United States (US) has witnessed a rise in political violence. Prior research has found that an individual’s social network is associated with their likelihood of engaging in various forms of violence, but research on social networks and political violence in the US context is limited. This study examined associations between social network size and endorsement of political violence in a recent nationally representative survey and explored how the relationship varied by use of social media as a major news source, perceptions of the government as an enemy, and membership in a marginalized or privileged racial or ethnic group.

The academic community studying terrorism has changed dramatically in the past decade. From a research area which was investigated by a small number of political scientists and sociologists, employing mainly descriptive and qualitative studies that resulted in limited theoretical progress as noted by Schmid and Jongman (1988) as well as Crenshaw (2000), it has in a short time become one of the more vibrant and rapidly developing academic realms as scholars from different branches of the social sciences have engaged in an effort to unravel this phenomenon, introducing new theoretical outlooks, conceptualizations and methods.

The descriptive and explanatory potentials of Social Network Analysis (SNA) in the study of violent political groups attracted some of the new students of terrorism shortly after the September 11th attacks (Van Meter 2001, Carly et al. 2002, Krebs 2002). Yet, even though their studies showed strong potential as they provided significant insights about the structures and internal processes of terrorists groups, the use of SNA in the study of political violence has remained quite limited, and still amounts to only a small fraction of the research in the field. Our experience in presenting SNA of violent groups in various platforms and events has led us to conclude that this is a result of two factors, which sustain each other. The majority of political violence students have very limited acquaintance with the rationale, and the main concepts and methodological tools of SNA; hence, many of them are still reluctant to exercise SNA in their studies and consequently tend to express doubt regarding its efficiency and relevance for the study of complex social phenomena.

This essay is not methodological per se in the sense that our goal is not to provide a methodological introduction to SNA. We do strive however to provide a clear presentation of the advantages of this realm for the study of terrorism and related fields, as well as the main relevant methodological tools and concepts, by utilizing pertinent and intelligible examples. These illustrate how network analysis complements conventional approaches to the study of political violence and how it can provide important information about the characteristics of the group structure (and how it influences members motives, behaviors and the outcome of their actions), recruitment processes, evolution, and of the division of political and social power among its members. We hope this will encourage more scholars to incorporate SNA into their studies, and consequently will further our understanding of the processes, causes and implications of political violence.