The middle-class teacher who joined ISIS - then fled after seeing horror of beheading: Woman, 25, reveals how she became a member of all-female brigade

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The 25-year-old, only known as Khadija, was part of the Khansa'a brigade who patrol the streets of Raqqa in Syria making sure women adhere to ISIS rules, before deciding to flee. Khadija, who was formerly an elementary school teacher said she decided to walk away from ISIS after witnessing beheadings, crucifixions and violence against women.