725 ILCS 202/35: Expungement.

If the Illinois State Police receives written confirmation from the investigating law enforcement agency or State's Attorney's office that a DNA record that has been uploaded pursuant to this Act into a local, State or national DNA database was not connected to a criminal investigation, the DNA record shall be expunged from the DNA database and the Illinois State Police shall, by rule, prescribe procedures to ensure that written confirmation is sent to the submitting law enforcement agency verifying the expungement.