Prosecutors have said that Officer Jeffery Shafer punched the 17-year-old driver of a stolen car while he laid on the sidewalk, then pushed his face into the concrete. Shafer's criminal case was dismissed when the teenage boy stopped cooperating.

In recent decades, some of the Chicago Police Department’s most notorious scandals were perpetrated by officers assigned to the same team or unit, including Jerome Finnigan of the special operations section and Ronald Watts of the public housing unit.

One of multiple hearings starts Wednesday for the four people charged with shooting and killing Chicago police Officer Aréanah Preston in 2023.

Officer Joseph Vecchio has been the subject of 15 lawsuits and 76 complaints since joining the department in 2019. Many of the complaints stem from his time working on a tactical team that’s faced allegations of disproportionately stopping African Americans and violating their civil rights.

Chicago police officials this week said more civilian investigators will join the department’s bureau of internal affairs as the office works to finish investigations more

Known for his support of street cops, O’Grady initially was praised for targeting corruption but was later linked to corruption scandals.