Kayla Mueller was a 26-year-old aid worker from Prescott, Arizona. She was not a thrill-seeker. She was the kind of person drawn toward suffering with a medical bag and a stubborn belief that people ...

The US Intelligence Community believes that American hostage Kayla Mueller was given as a bride to a fighter with the Islamic State of Iraq and Syria, or ISIS, during her captivity, CBS News has ...

ISIS had said on Friday, February 6, that 26-year-old Kayla Mueller had been killed in an airstrike by Jordan against the sect. ISIS had said on Friday, February 6, that 26-year-old Mueller had been ...

The family of the Arizona woman who Islamic militants claim was killed in a Jordanian airstrike is hoping she is still alive. Kayla Jean Mueller's parents are not speaking to reporters, but issued a ...

Kayla Mueller's parents said in an exclusive interview with “Today” that despite fearing for their daughter's safety in captivity at the hands of ISIS, they were holding out hope for a reunion because ...

Friends and family of slain ISIS hostage Kayla Mueller memorialized her at a tearful news conference in her Arizona hometown on Tuesday, just hours after her family released a statement saying the ...

ISIS said in February that Mueller, of Prescott, Arizona, was killed when Jordanian fighter jets bombed a building where she was being held outside Raqqa, a stronghold in Syria of the Islamist ...

The father of Kayla Mueller, an an American woman killed while being held captive by ISIS, read a moving letter at his daughter's hometown memorial service Saturday, recounting her discovery that her ...

PRESCOTT, AZ -- The father of an international aid worker killed while being held captive by Islamic State militants read a moving letter at his daughter's hometown memorial service Saturday, ...