Jordan, U.S. dispute IS claim of how Kayla Mueller died

Jordan, U.S. dispute Islamic State claim of how Kayla Mueller died More

The family of Kayla Jean Mueller confirmed that the 26-year-old aid worker has been killed. Over the weekend, Islamic State militants sent them unspecified evidence of their daughter's death. The Arizona native was working with refugees on the Turkey-Syria border when she was taken captive in 2013. Gwen Ifill reports.

AIR DATE 2/10/15