BREAKING: American ISIS hostage Kayla Mueller is dead, family says

February 10, 2015       BREAKING NEWS BREAKING: American ISIS hostage Kayla Mueller is dead, family says This is a developing story and we expect to have more information soon. Go toNBCNews.com for further developments.     Keep Reading             For Breaking News, the moment it happens, follow @NBCNEWS Follow @NBCNEWS     More Top Stories     'Thousands' of Jordan Troops Sent to Iraq Border: Sources > Passenger Jet Lands on Nose After Landing Gear Fails > Suspect Charged In Hannah Graham Murder: Report > Gunmen Fire at Cops During Dramatic Highway Pursuit > Syria Given Information About U.S.-Led Airstrikes, Assad Says >