U.S. forces along with Syrian militias are days away from liberating Raqqa, the self-proclaimed capital of ISIS and the terror group's last stronghold in the country.

CBS News correspondent Holly Williams has been reporting from Northern Syria on thousands of civilians who are located in the ruined city.

She reports that they are being used by ISIS as human shields.

Near Raqqa, Williams encountered a group of women who recently escaped ISIS territory. She finds a young girl that says she is an American.

"I'm from Kansas. I've been in Syria for five years," says the girl.

The girl is15 years old, and says she was brought to Syria against her will by her father, a strong ISIS supporter.

Since she's a minor, CBS News chose not to reveal her name.

"My father, of course, didn't tell us that we were coming to Syria. When it was time to get out of the car and cross the border, he was like 'you're going to Syria,' and, yeah, it was a really big shock."

She married a Syrian ISIS fighter who was recently killed by a strike and is now six months pregnant with his child.

"I still have hope, hope to go to school, hope to be a normal person, hope to be a mother to my child," she says.

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