News Wrap: Islamic State leader raped hostage Kayla Mueller

Aired: 8/14/2015 | 0:06:06 | Clip
In our news wrap Friday, the family of American hostage Kayla Mueller says she was repeatedly raped by Islamic State leader Abu Bakr Baghdadi before her death, according to U.S. intelligence. Also, Kurdish officials say they're investigating chemical weapons attacks by Islamic State forces.