A spokesperson confirmed some items were taken from the office inside the Leighton Criminal Court Building in Chicago.
Several computers were stolen from the administrative offices, according to the spokesperson.
The Cook County Sheriff's Office is handling the investigation.
The spokesperson issued the following statement:
On Tuesday, the State's Attorney's Office officials contacted Sheriff's Police to report that several computers were missing from their administrative offices. Sheriff's Police opened an investigation, which is ongoing.
No further information about the theft was immediately available.