Though she was released on bail in New York, Mack will be heading to her parents' house in California, where she will be under home detention.
35-year-old Mack has pleaded not guilty to sex trafficking, conspiracy and forced labor.
Prosecutors argue that Mack would have women sexually engage with Raniere and would get paid for it. Mack would use her celebrity status as a way to get women to join Jness, a subgroup of NXIVM. Federal Bureau of Investigation agents raided a home in NY connected to Raniere, CBS Los Angeles reports.
"As alleged in the indictment, Allison Mack recruited women to join what was purported to be a female mentorship group that was, in fact, created and led by Keith Raniere", U.S. Attorney Richard Donoghue said.More news: Benjamin Mendy makes Manchester City return to boost World Cup hopes
Meanwhile, a new court filing reveals Mack's lawyers are engaged in serious plea-bargain negotiations with prosecutors, "which they believe are likely to result in a disposition of this case without trial", according to the filing.
Raniere has since been charged with sex trafficking, sex trafficking conspiracy, and conspiracy to commit forced labor. The organization Keith Raniere, who was also arrested recently.
Prosecutors said women were coerced into taking sexual photos and making embarrassing confessions on video, which would then be used to blackmail the "slaves" into performing acts ranging from getting coffee and cleaning to having sex with Raniere.
Mack's mother Melinda secured the $5 million bond using Mack's house in upstate Clifton Park, the family's Los Alamitos home and a retirement account, authorities said. During the branding ceremonies, slaves were required to be fully naked, and a master would order one slave to film the branding while the others restrained the slave being branded.
Mack was allegedly Raniere's second-in-command, prosecutors said.More news: Minnesota Timberwolves: 3 takeaways from Game 3 vs. Rockets
A federal judge agreed to release Mack, who was arrested last week, on $5 million bond and place her under home detention.
Former NXIVM publicist Frank Parlato told Inside Edition that Mack is "completely enamored with Raniere and completely under his thrall".
Catherine Oxenberg, who once starred on "Dynasty", has a connection to the group that began when she attended a meeting with her daughter several years ago.
If convicted of the charges, Mack and Raniere each face a minimum of 15 years and up to life in prison.More news: Michael Cohen case shines light on Sean Hannity's real estate empire
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