Transcript for Polygamist Sect Accused of Forcing Woman to Marry at 14

There's new legal trouble for a polygamous cult along the utah/arizona border. A 26-year-old woman, a mother of six, who says she was forced into marriage at the age of 14, has just fled the group after a dramatic escape. Take a look. It was a stunning sight. Ruby jessop, flanking arizona's attorney general, along with her six children, all of them finally free. Ruby is a 26-year-old colorado city woman, who was compelled into marriage at the age of 14 by flds leader warren jeffs and held against her will for more than ten years. Reporter: Arizona officials say wi past t weeks, ruby escaped, with the help of her sister, flora, who fled the polygamous flds sect run by warren jeffs herself 20 years ago. Ruby has been locked in a world where she had no control over. She had no voice. Reporter: Sources say even though jeffs is in prison, he still controls everything. Forcing people to eat beans and drink water. Because he has to be in prison, he is placing all of his members in prison with him. Reporter: This image fro 2008 texas raid shows the bed where he allegedly forced young women to seal their arranged marriages. Ruby says on the arizona compound, she was not only forced to marry her second cousin and stepbrother, but forced to have sex with many men. As part of an abc news "20/20" investigation, I spent several months investigating the flds. As soon as we entered colorado city, we were followed, intimidated by what locals call jeffs' god squad. Trying to find out, what are you doing? Excuse me? Excuse me? But his former bodyguard, willie jessop, back up her story, saying the women are held. The women are being hostages, being told their lives are in danger. They're threatened. There's an evil outside world there to destroy them? Reporter: That's what the women believe? It's a total fraud. Reporter: This morning, the arizona attorney general says other women want to leave but can't. Women have been forcibly held by the marshals against their will. Reporter: As for ruby jessop this morningshe has left the community. And her sister says she's ready to start a new life with her children. Ruby is doing amazing. She is happy and strong and courageous. Wow. What a dramatic development. We saw right there. You know this world well from your work for "20/20." A lot of people call the flds the american taliban because the womedren are being held in these homes, sometimes against their will. And sometimes because they don't know the outside world is there to help them. This is a secluded society. The police there, the fire, the town hall, they're all flds. We went to go knock on their doors and get questions -- ask questions, get answers, they wouldn't let us inside. This is a bizarre world that outside of what we would normally consider america and american law. But they're trying to change that in the states of utah and arizona. Your whole report is going t be on "20/20" saturday, at 8:00, 7:00 central.

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