Women and children related to fighters of the Islamic State group wait to board buses and trucks to leave the al-Hol detention camp, Hasakeh province, Syria, June 3, 2019 (AP photo by Baderkhan Ahmad).

ISTANBUL—A German woman suspected of supporting the Islamic State was repatriated from Syria along with her three children last month, in the first case of an adult European ISIS member brought home through official channels. On Nov. 22, the family was released from the overcrowded detention camp in northern Syria where they’d lived for almost a year and transferred to the Iraqi city of Erbil, where they boarded a Lufthansa flight to Frankfurt. The mother, known only as Laura H., had her passport confiscated upon arrival. She cannot leave Germany, as she is being investigated for belonging to a terrorist […]