American Aid Worker Executed By ISIS Recently, the parents of Kayla Mueller, the Arizona woman who was taken hostage by ISIS nearly two years ago, confirmed that their daughter died at the hands of the terror group. We are heartbroken to share that weve received confirmation that Kayla Jean Mueller has lost her life, Carl and Marsha Mueller of Prescott said in a statement. Fox News reported on the incident. Kayla was a compassionate and devoted humanitarian. She dedicated the whole of her young life to helping those in need of freedom, justice, and peace. The heartbreaking story made its way around the internet. No matter how long it takes, the United States will find and bring to justice and terrorists who are responsible for Kaylas captivity and death, President Obama responded in a statement. On this day, we take comfort in the fact that the future belongs not to those who destroy, but rather to the irrepressible force of human goodness that Kayla Mueller shall forever represent. 