Foreign Fighters in the 2022 Russia-Ukraine War: An Assessment of Extremist Volunteers

This policy brief provides a risk assessment of the potential threats posed by violence-oriented extremists in the ongoing Russia-Ukraine war once they return to their prior countries of residence/homeland. The brief concludes with policy recommendations to quickly and comprehensive identify and share knowledge on this threat as well as disrupt the travel of violence-oriented extremists to Ukraine.

Authors: Alexander Ritzmann, Dr. Hans-Jakob Schindler, and Sofia Koller


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Extremists: Their Words. Their Actions.


On September 15, 2019, a truck bomb exploded outside of the Al-Rai Hospital in Syria’s Aleppo Governorate, killing 12 civilians and injuring many more. There were no immediate claims of responsibility. 

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