http://dx.doi.org/10.17176/20190324-203534-0 https://staging.verfassungsblog.de/is-trump-right-foreign-fighters-and-the-states-obligation-to-repatriate-them/ Is Trump Right? Foreign Fighters and the States’ Obligation to Repatriate Them Capone, Francesca ger 2019-03-10 electronic resource text/html ddc:342 Citizenship ISIS Repatriation Verfassungsblog Verfassungsblog--2366-7044 CC BY-NC-ND 4.0 The "Islamic State" is virtually defeated. Do states of origin have or have not an obligation under international law to “take back” (i.e. proactively repatriate) detained IS fighters who are their nationals?