Who Was Kayla Mueller, American ISIS Hostage?
Arizona woman had dedicated her life to helping others around the world.
Doctors Without Borders Refused to Help American ISIS Hostage Kayla Mueller
Arizona woman dedicated her life to helping others around the world.
Doctors Without Borders Statement on ABC News '20/20' Kayla Mueller Report
Doctors Without Borders statement on ABC News '20/20' Kayla Mueller report.
Authorities Investigate Russian Cyberattack on The New York Times
Authorities cite ongoing sneak attacks.
Snowden Docs Support Claim NSA Cyberweapons Stolen, Report Says
Former top NSA official says apparent hack is "unfortunate."
Records Sought for Clinton Foundation Donor Placed on Intel Board
Previous emails revealed State staffers befuddled by 2011 appointment.
'Finish the Job': More Than 1 in 3 Western Anti-ISIS Volunteer Fighters Are American, Many Vets
Ex-soldier: "Foreign fighters, who are not crazy... can have a positive impact."
Kayla Mueller Defended Christian Faith to ISIS Executioner 'Jihadi John'
Fellow hostages described the Arizona native's strength, selflessness.
ISIS Hostage Kayla Mueller's Heartbreaking Proof of Life Video
"It's very terrifying here," American ISIS hostage says in the video.
Yes, It's Possible to Hack the Election
Slight meddling in some swing precincts in swing states could tip the scales.
Obama Is Not the 'Founder' of ISIS – These Guys Are
Terrorist group traces lineage to 2003 Iraq invasion.
Watch: When ISIS Hostage Kayla Mueller's Parents Found Out She Was Captured
Carl and Marsha Mueller recall when they learned their daughter was in the hands of one of the world's most brutal terrorist...