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Illinois Attorney General Lisa Madigan
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October 18, 2017


Chicago — Attorney General Lisa Madigan today announced that a Cook County jury has found that a registered sex offender is a Sexually Violent Person (SVP).

Following the verdict, Cook County Circuit Court Judge Peggy Chiampas ruled that David Lewis, 50, of Chicago, must remain in the custody of the Illinois Department of Human Services (IDHS) for treatment. Lewis was then returned to the IDHS SVP Treatment and Detention Facility in Rushville, Ill.

“I appreciate the jury’s recognition that this offender’s history of sexual violence means he should not be allowed to reenter society,” Madigan said.

After a history of indecency and exposure to women and girls in the 1980s, Lewis was arrested in 1992 for an armed robbery in which he intended to sexually assault the victim before she was able to escape. While on bond for the armed robbery, Lewis was arrested again for two aggravated criminal sexual assaults, during which he assaulted the victims at knifepoint. Lewis was found guilty in all three cases and sentenced to 45 years in prison for the aggravated sexual assaults and nine years in prison for the armed robbery, to run concurrently.

Under the Sexually Violent Persons Commitment Act, Madigan’s office prosecutes cases seeking to commit offenders to the custody of IDHS. To be committed under the Act, a person must have been convicted of a sexually violent offense and suffer from a mental disorder. Prosecutors must also prove that the offender is likely to commit future acts of sexual violence if released from custody. Once committed to IDHS, offenders are re-evaluated on a regular basis to determine if they continue to meet the criteria for commitment as a sexually violent person.

Assistant Attorneys General Andrea Kirch and Margaret Menzenberger handled the case for Madigan’s Sexually Violent Persons Bureau.


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