##  [O'brien, John P](/individual/john-p-%20obrien-1) 

  ![](/sites/default/files/styles/square_500_x_500_/public/default_images/download%20%289%29%20%282%29_0.jpg?itok=5WstKkf1)John P O'brien

 









 

 



 

 

**[Illinois Attorney General's Office](/illinois/illinois-attorney-generals-office)**



100 West Randolph Street

Chicago, Illinois 60601

[(217) 782-1090](tel:%28217%29782-1090)



[https://illinoisattorney…](https://illinoisattorneygeneral.gov/)





 

 



 

 

 [![Illinois Attorney General's Office](/sites/default/files/styles/max_325x325/public/2025-07/Seal_of_the_Attorney_General_of_Illinois.png?itok=sZ0tgTOG "Illinois Attorney General's Office")](/illinois/illinois-attorney-generals-office)