Allison Mack has pleaded guilty to the charges against her.
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The actress portrayed Chloe Sullivan on Smallville from 2001-2011.
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Mack is facing charges as a result of her involvement with NXIVM.
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She was arrested last year on several charges, including sex trafficking.
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NXIVM purported to be a self-help organization.
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However, women were unwittingly being recruited to become sex slaves for leader Keith Raniere.
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Mack is facing up to 40 years in prison.
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