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Kayla Mueller, a 26-year-old humanitarian worker from Prescott, Arizona, was taken hostage in August 2013 in Aleppo, Syria, as she left a Doctors Without Borders hospital, her family said through a spokeswoman on Friday, Feb. 6, 2015.
Kayla Mueller, a 26-year-old humanitarian worker from Prescott, Arizona, was taken hostage in August 2013 in Aleppo, Syria, as she left a Doctors Without Borders hospital, her family said through a spokeswoman on Friday, Feb. 6, 2015.

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    Hostage's boyfriend tried to rescue her

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Hostage's boyfriend tried to rescue her

CNN's Pamela Brown reports on multiple unsuccessful attempts to rescue ISIS hostage Kayla Mueller.

Hostage's boyfriend tried to rescue her

CNN's Pamela Brown reports on multiple unsuccessful attempts to rescue ISIS hostage Kayla Mueller.