In a new twist to the ongoing court case involving the infamous Nxivm cult, one of its members has confirmed that she kept a woman enslaved in her home for two years.

Newly unsealed court documents show that Nxivm member Lauren Salzman pleaded guilty last week to charges of racketeering conspiracy, which involved keeping the unnamed woman locked up.

“I knowingly and intentionally harbored Jane Doe 4, a woman whose identity is known to me, in a room in the home in the Northern District of New York,” she said before Brooklyn federal Judge Nicholas Garaufis according to The New York Post .

According to court documents obtained by the publication, she held the woman hostage between March 2010 and April 2012 “and threatened to deport Jane Doe 4 back to Mexico if she did not complete labor requested by myself and others.”

Salzman was arrested last year along with Smallville actress Allison Mack and Nxivm cult leader Keith Raniere, who were charged with sex trafficking, sex trafficking conspiracy and forced labour conspiracy.

The 42-year-old women admitted during the proceeding to being a member of Nxivm’s secret inner organisation, DOS, which prosecutors have accused of starving and branding women.

Before the arrest, the group was purported to be a female mentorship organisation that was always actively recruiting new members, but was allegedly grooming its members to have sex with Raniere and mutilating their bodies.

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Salzman was actually raised in Nxivm due to her mother’s role as a co-founder of the group, and it was her slave Sarah Edmondson who blew the lid on the organisation back in a 2017 interview with The New York Times.