U.S. officials said the family received an email and photograph over the weekend from her captors that confirmed her death but said the circumstances in which she died remained unclear.
Mueller, 26, was captured in August 2013 while leaving a hospital in the northern Syrian city of Aleppo. She previously had been working in Turkey providing humanitarian assistance to refugees from Syria's bloody civil war.
Islamic State said on Friday that Mueller was killed when Jordanian fighter jets bombed a building where she was being held outside Raqqa, a stronghold of the Islamist militant group.
Jordan and U.S. officials have expressed doubt about the account of her death offered by Islamic State, an al Qaeda offshoot that controls wide areas of Syria and Iraq.
Mueller's family said in a statement on Tuesday that they were "heartbroken" to learn of her death and released a copy of a letter she had written in 2014 while in captivity. (Continue Reading.)
Tuesday, February 10, 2015
American Aid Worker Kayla Mueller Confirmed Dead
Kayla Mueller went to the Middle East to help Syrian refugees. The Islamic State didn't have much gratitude.