MUELLER MEMORIAL: A woman kneels near a makeshift memorial for Kayla Mueller last week in Prescott, Ariz., where she lived with her family.
MUELLER MEMORIAL: A woman kneels near a makeshift memorial for Kayla Mueller last week in Prescott, Ariz., where she lived with her family. Brian Skoloff AP
MUELLER MEMORIAL: A woman kneels near a makeshift memorial for Kayla Mueller last week in Prescott, Ariz., where she lived with her family. Brian Skoloff AP