Office of the State's Attorney - Patrick D. Kenneally

State's Attorney's Office

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Justice is Ethics and Truth in Action

Patrick KenneallyWelcome to the website for the McHenry County State’s Attorney’s Office.  It is the honor of a lifetime to represent the hardworking people of McHenry County as their State’s Attorney.

The McHenry County State’s Attorney's Office is a public trust, it belongs to and is paid for by you, the People.  My job is to ensure that it is working on your behalf. Further, it is my job to uphold your confidence in our Office and the justice system.  To do this, our daily goal is to be the most effective, ethical, and efficient state’s attorney’s office in the State.

I invite you to explore the site and see for yourself the many services we offer.  If we can be of any assistance to you, please do not hesitate to email us at [email protected] or call at (815) 334-4159. If you need to email court notices, please forward to [email protected].

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State's Attorney News

Randy Peterson Pleads Guilty to Criminal Sexual Assault

Post Date:03/11/2020 1:15 PM

MARCH 11, 2020



Patrick D. Kenneally, McHenry County State’s Attorney, announces that 57-year-old Randy Peterson of Wonder Lake, Illinois, was found guilty of Criminal Sexual Assault, a class 1 felony, following a negotiated plea before the Honorable Michael Coppedge. 

Peterson was sentenced to a term of six years in the Illinois Department of Corrections pursuant to the plea. He will have to register as a sex offender for his natural life. 

This case was investigated by Detective Thomas Ferraro of the Wonder Lake Police Department. This case was prosecuted by Susanne Groebner of the McHenry County State’s Attorney’s Office.


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