Sayyaf, who is reportedly an Iraqi national, was the first detainee held by the US in its year-long war against IsisThe US military has transferred a female detainee, captured during a raid on the Islamic State, over to Iraqi Kurdish custody after nearly three months of holding her in low-profile captivity for interrogation.The Pentagon had remained silent about its plans for Umm Sayyaf since a raid on 15 May in eastern Syria that led to her capture.