Kayla Mueller: Photos of Captured Activist

Kayla Mueller was born in Prescott, Arizona, on August 14, 1988. After graduating from Tri-City College Prep High School in 2007, she received her bachelor's degree in Political Science from Northern Arizona University. Mueller was heavily involved in human rights activism and humanitarian aid. She spent time in the Middle East volunteering for Palestinian humanitarianism with the International Solitary Movement, and helping African refugees in Israel. (Twitter/Fox10Phoenix)