2 teacher union lobbyists teach for a day to qualify for hefty pensions APRIL 5, 2019 | CHICAGO TRIBUNE
Ethics board fines Cook County assessor $41,000 over political donations from lawyers JANUARY 12, 2018 | CHICAGO TRIBUNE
Watchdog group calls for reform to Cook County Assessor's office DECEMBER 19, 2017 | PROPUBLICA AND THE CHICAGO TRIBUNE
Commercial breakdown: Under Joseph Berrios, assessments of commercial and industrial properties defy logic, punish taxpayers and enrich lawyers DECEMBER 12, 2017 | CHICAGO TRIBUNE / PROPUBLICA