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Kayla Mueller headshot (courtesy of the family)
Kayla Mueller headshot (courtesy of the family)

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    Who is American woman held by ISIS?

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Who is American woman held by ISIS?

Who exactly is Kayla Mueller, the 26-year-old woman taken hostage by ISIS in 2013? CNN's Pamela Brown takes a closer look at the aid worker's life.

Who is American woman held by ISIS?

Who exactly is Kayla Mueller, the 26-year-old woman taken hostage by ISIS in 2013? CNN's Pamela Brown takes a closer look at the aid worker's life.