Unincorporated Cook County Sex Offenders:
Richard Marquardt

Pursuant to the Sex Offender and Child Murderer Community Notification Law, 730 ILCS 152/101,et seq., the Cook County Sheriff's Police Department maintains a list of sex offenders residing in UNINCORPORATED COOK COUNTY who are required to register under the Sex Offender Registration Act, 730 ILCS 150/2, et seq. A list of registered sex offenders is being provided on this web site as a public service.

Individuals included within this registry are included solely by virtue of their conviction record and Illinois law. The main purpose of providing this data on the Internet is to make the information more easily available and accessible, not to warn about any specific individual. Anyone who uses information contained in the Sex Offender Database to commit a criminal act against another person is subject to criminal prosecution.

Although every effort is made to keep this list accurate and current, the sheriff's department cannot guarantee the accuracy of this information. Offenders may have moved and failed to notify the sheriff's department as required by law. If any information presented in this web site is known to be outdated, please contact the Cook County Sheriff's Police Sex Registration Unit at 708-865-4905, or mail to Sex Offender Registration, c/o Cook County Sheriff's Police, 1401 S. Maybrook Drive, Maywood, Illinois 60153.

For a complete list of all registered sex offenders in Illinois, visit http://www.isp.state.il.us/sor/sor.cfm