Smallville, was sentenced to three years in prison in 2021 for manipulating women into becoming sex slaves for NXIVM leader Keith Raniere. She previously pleaded guilty in 2019.According to online records by the Federal Bureau of Prisons, Mack was released on Monday (July 3) from federal prison in Dublin, California.Mack avoided a longer prison sentence by cooperating with prosecutors and providing information on Raniere, including an audio recording of the cult leader instructing her about the branding ceremonies for the recruited DOS slaves.As reported by the New York newspaper Albany Times Union, Mack apologised prior to her sentencing for her involvement in the group.