Kayla Jean Mueller was an American human rights activist and humanitarian aid worker from Prescott, Arizona. She was taken captive in August 2013 in Aleppo, Syria, after leaving a Doctors Without Borders hospital. Read More
The most senior female Islamic State (IS) captive has played a central role in the CIA's hunt Abu Bakr al-Baghdadi, helping identify safe houses used by the fugitive terror leader and in one case pinpointing his location in Mosul, Iraq, the Guardian ...