Susan Smith, the South Carolina woman who drowned her two young sons in October 1994, reportedly believes her chance of parole 30 years later is unlikely after her recent violation of prison rules.

The South Carolina Department of Probation, Parole and Pardons has scheduled Smith's parole hearing for Nov. 20.

“She's heartbroken,” Smith's relative told the New York Post about the killer's thoughts ahead of her upcoming hearing. “She was so close to coming out and it seemed like it was falling apart before her eyes. She derailed it herself. She’s not happy at all.”

The relative's comments came after Smith, now 52, ​​was convicted Oct. 3 of communicating with a victim or witness to a crime, according to Chrysti Shain, communications director for the South Carolina Department of Corrections.

Murderer mother Susan Smith was disciplined behind bars weeks before her parole hearing

Susan Smith, pictured left in a recent mugshot and right as a 22-year-old in 1994, has been imprisoned in South Carolina for nearly 30 years for the murders of her two sons. (South Carolina Department of Corrections)

Smith was charged with the crime in September after she agreed to send contact information – including that of her former husband and the other of her children – to a documentary filmmaker who then transferred cash to Smith's account.

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SCDC inmates are not permitted to conduct telephone or in-person interviews, but are allowed to write letters, according to prison rules.

While the sentencing was her first disciplinary action in a decade, Smith previously had a sexual relationship with a prison guard, a prison source said in a statement Interview with People in 2020.

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David Smith, father of Michael and Alexander, leaves the church after the funeral service for the two boys. (Greg Smith/Corbis)

“She knows it’s very unlikely she’ll get out now,” Smith’s relative told the Post. “This is a new disciplinary action, one month before her parole hearing. The parole board pays 100% attention to these things. This is really bad.”

In 1994, when Smith was 22, she strapped her sons Michael and Alexander Smith into the back seat of her car and watched as she let the vehicle roll inside John D. Lake in Union County. It took six minutes for the two boys, one three years old and the other just 14 months old, to drown.

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Susan Smith was sentenced to life in prison for murdering her two sons, 3-year-old Michael Daniel Smith and 14-month-old Alexander Tyler Smith. (William Campbell/Sygma)

Former Union County prosecutor Tommy Pope, now a South Carolina state representative, previously told Fox News Digital that Smith should not be released.

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Pope said that at the time, Smith was having an extramarital affair with Tom Findlay, the son of a wealthy local business owner, who wrote Smith a letter a week before the murders telling the 22-year-old woman that he was interested in her romantically , he wasn't fit to raise children like that Birmingham News reported in a 2005 interview with Findlay.

Susan Smith initially claimed she had been mugged, but evidence later revealed that she had killed her two young sons, Michael and Alexander. (Brooks Kraft LLC/Sygma)

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This letter would become an important piece of evidence in the prosecution's case.

Pope called for the death penalty Smith during her trial in 1995and he doesn't believe she should be eligible for parole today.

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“Some of the jurors even said afterwards that they had given her life under the assumption that she would be remorseful and spend her time thinking about Michael and Alex. Well, she's proven by her behavior in prison that she had sexual relationships with guards.” “She has Facebook friends and sugar daddies waiting for her to get out,” Pope said. “She’s focused on what’s best for Susan and not what happened to Michael and Alex.”

Fox News' Mollie Markowitz contributed to this report.