Beyond the lurid details of the Nxivm case is a story of a bright, beloved young woman in Hollywood who became enthralled by the teachings of a twisted leader. Corina Knoll of The New York Times reports.

Six years ago, Allison Mack sat on a purple rug filming a segment for her YouTube channel. Bubbly and earnest, she answered fans' questions with delight.

The "most awesomest" gift she's ever received? A colourful scarf knitted by a friend. "But really it's a hug made out of yarn," Mack said.

As charming and innocuous as she appeared, Mack was entranced by an

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