“…Anticipating the return of European departees 3 became particularly salient after the involvement of some in the attack of 2014 at the Jewish Museum in Brussels, or the 2015 attacks in Paris (on January 7 th and November 13 th ). Research has however nuanced the potential threat of the returnees and sought to examine under what conditions they could be reintegrated into the European continent (Lindekilde, Bertelsen and Stohl 2016, Ragazzi and Walmsley 2018, Renard and Coolsaet 2018 Besides this first line of inquiry, a growing number of studies has, however, also attended to how the "foreign fighter question" has transformed and reshaped several institutional and legal arrangements around citizenship and security in the European continent (Bakker, Paulussen and Entenmann 2014, Bures 2020, de Guttry, Capone and Paulussen 2016, Ragazzi and Walmsley 2018, Scherrer 2018. Analysts have thereby noted growing convergences across the different European Member States in tackling this question, despite the initial differences in treating this question (Bures 2020, Paulussen and Entenmann 2016, Van Poecke and Wauters 2021.…”