NEW YORK (CBSNewYork) – Jury selection is expected to start Monday in the NXIVM sex-trafficking case.

Prosecutors say Keith Raniere ran a secret society of sex slaves in upstate New York with the help of “Smallville” actress Allison Mack and Seagram’s liquor heiress Clare Bronfman. They allegedly brainwashed their victims and branded them with his initials.

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Raniere, Mack and Bronfman and three other defendants face multiple charges, including sex trafficking and racketeering conspiracy.

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Last month, a judge denied Mack’s request for more time negotiating a plea deal in the case. Raniere and Bronfman have both pleaded not guilty.