The recent influx of foreign fighters into Syria, particularly those aligning with the Islamic
State, has brought renewed attention to the security threat posed by people who cross …

The present studies examined the hypothesis that loss of personal significance fuels
extremism via the need for cognitive closure. Situations of significance loss—those that …

Winner of the 2021 William A. Douglass Prize: A new perspective on the concept of
international jihad and its connection to the 1990s Balkans crisis. No contemporary figure is …

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 …

As ISIS seeks to expand its reach in the Middle East, its territory serves as a base for training
and operations for a new generation of jihadis. Thousands of young people from the West …

Studies of conflicts involving the use of surrogates focus largely on states, viewing the
relationship between sponsors and proxies primarily as one in which states utilize nonstate …

Research on civil war mobilization emphasizes armed group recruitment tactics and
individual motivations to fight, but does not explore how individuals come to perceive the …

Why do Westerners become foreign fighters in civil conflicts? We explore this question
through original data collection on German foreign fighters in Syria and Iraq, and test three …

This rapid review used a systematic approach to examine the available literature on
rehabilitation and reintegration (R&R) programs for women and children returning from …

One of the major policy concerns surrounding violent conflicts in Afghanistan, Iraq, Libya,
Mali, Pakistan, Russia's North Caucasus region, Somalia, and Syria has been that these …