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With the beheading video of U.S. photojournalist James Foley, the Islamic State (IS) initiated a hostage video campaign that received tremendous coverage in the international news media. This backgrounder highlights the most important aspects of IS hostage videos with a particular focus on their media strategic functions, which, in part, stand in sharp contrast with strategic guiding principles voiced by traditional Jihadist ideologue such as Ayman al-Zawahiri – exposing the growing rift between the IS and Al-Qaeda. Providing examples from primary sources and identifying commonalities and differences to earlier hostage footage, the Research Note illustrates that the IS hostage video campaign is rationally calculated, multifaceted, and constantly changing.

What explains online radicalization and support for ISIS in the West? Over the past few years, thousands of individuals have radicalized by consuming extremist content online, many of whom eventually traveled overseas to join the Islamic State. This study examines whether anti-Muslim hostility might drive pro-ISIS radicalization in Europe. Using new geo-referenced data on the online behavior of thousands of Islamic State supporters in France, the United Kingdom, Germany, and Belgium, I study whether the intensity of anti-Muslim hostility at the local (neighborhood/municipality) level is linked to pro-ISIS radicalization on Twitter. Results show that local-level measures of anti-Muslim animosity correlate significantly and substantively with indicators of online radicalization, including posting tweets sympathizing with ISIS, describing life in ISIS-controlled territories, discussing foreign fighters, and expressing anti-West sentiment. High-frequency data surrounding events that stir anti-Muslim hostility — terrorist attacks and anti-Muslim protests in Europe — show the same pattern.

This article examines the role of the Islamic State of Iraq and Syria’s (ISIS’s) beheading videos in the United Kingdom and the United States. These videos are highly illustrative demonstrations of the importance of visual imagery and visual media in contemporary warfare. By functioning as evidence in a political discourse constituting ISIS as an imminent, exceptional threat to the West, the videos have played an important role in the re-framing of the conflict in Iraq and Syria from a humanitarian crisis requiring a humanitarian response to a national security issue requiring a military response and intensified counterterrorism efforts. However, this article seeks to problematize the role and status of ISIS’s beheadings in American and British security discourses by highlighting the depoliticizing aspects of reducing a complicated conflict to a fragmented visual icon. The article concludes by emphasizing the need for further attention to how the visibility of war, and the constitution of boundaries between which acts of violence are rendered visible and which are not, shape the political terrain in which decisions about war and peace are produced and legitimized.

This volume has been made possible by the valuable collaboration between two esteemed organisations, namely SETA and Hedayah. Their collaboration was embodied in the form of a research project that aimed at shedding light on the burning issue of the violent radicalisation and extremism of individuals and groups that belong to – or at least are sympathetic to – the non-mainstream right currents in European countries. In this way, the current volume draws attention to the non-religious dimension of the phenomena of radicalisation and violent extremism and contributes to a relatively small body of works, as opposed to the dominant approach in the
relevant literature which, for the most part, affiliates the phenomena with religious forces and elements. This approach is important since overemphasising one aspect of the phenomena runs the risk of blinding societies and policymakers to the other aspects and, therefore, making them less effective in terms of fending off the negative impacts of the phenomena. This work aims to be conducive to the due recognition of the overlooked aspects of these phenomena and hopefully serve as the first step towards tackling them.

The internet can leave users vulnerable to social challenges, which creates opportunities for extremism to spread. Users can be exposed to extremism in multiple ways, including through recruitment and socialisation. Extremist content may be found on mainstream social media sites and ‘alt-tech’ platforms, which replicate the functions of mainstream social media but have been created or co-opted for the unconventional needs of specific users. Automatic detection can be used to moderate extremist content on a large scale. However, this is prone to false positives and may disproportionately impact a particular group, which can fuel mistrust in the state. Many stakeholders believe that current counter-extremism responses are too focused on law and technology, and do not address the underlying reasons that people are drawn to extremist content. Individual and societal interventions aim to identify underlying socio-economic and cultural contributors and implement protective factors to reduce how many people develop extremist views.

Online social media platforms such as Twitter have been found to be misused by extremist groups, including Islamic State of Iraq and Syria (ISIS), who attract and recruit social media users. To prevent their influence from expanding in the online social media platforms, it is required to understand the online behaviors of these extremist group users and their followers, for predicting and identifying potential security threats. We present an empirical study about ISIS followers’ online behaviors on Twitter, proposing to classify their tweets in terms of political and subjectivity polarities. We first develop a supervised classification model for the polarity classification, based on natural language processing and clustering methods. We then develop a statistical analysis of term-polarity correlations, which leads us to successfully observe ISIS followers’ online behaviors, which are in line with the reports of experts.