What started as a normal middle school dance night for one Illinois family has reportedly spiraled into a shocking case that has left an entire community stunned. Authorities say a 43-year-old woman named Robyn Polston is now facing serious charges after allegedly conceiving a child with a 14-year-old boy who once attended her daughter’s school event.

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Illinois Mom Caught Up In Serious Allegations

According to court documents and a probable cause affidavit obtained by People, Robyn Polston has been charged with two counts of criminal sexual assault. And, they involve a victim between the ages of 13 and 17, as well as two counts of possession of child pornography. Each charge reportedly carries a potential prison sentence of up to 15 years. Officials say the investigation began shortly after Polston gave birth to a baby in January 2025. That’s when the Tazewell County State’s Attorney’s Office received a concerning report from the Washington Police Department.

Wait… Polston’s Baby Shares Name With Teen From School Dance?

Investigators obtained the child’s birth certificate just a week later — and that’s when things took a turn. Authorities reportedly noticed that the baby shared the same middle and last name as a teenage boy who had once attended a middle school dance with Polston’s daughter back in May 2023, an event Polston had chaperoned herself. When questioned, Polston allegedly told officers that the child’s father was “a man in his twenties named Brian.” Additionally, Polston claimed she hadn’t seen the father since giving birth. But, police say the timeline and other evidence didn’t add up.

Timeline Raises Red Flags, DNA Confirms Shocking Connection

The affidavit outlines that the teen had moved away after the 2023 school dance but returned to Illinois in April 2024 — about 40 weeks before the child’s birth. He reportedly visited again in June before moving back permanently that August to live with the family of a friend. That timeline raised investigators’ suspicions, prompting a deeper search that allegedly led to disturbing digital evidence linking Polston to the boy.

Authorities say a DNA test later confirmed the teenage boy was the baby’s biological father. Following the results, Robyn Polston was arrested on November 3 and is currently being held without bail. As of now, she has not yet entered a plea. Furthermore, she is expected to be formally arraigned on December 4, according to court records. Her attorney has not responded to requests for comment.

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