Federal Justice Department officials are conducting a sweeping review of more than 1,000 grand jury presentations made by Illinois prosecutors in Chicago, according to the U.S. attorney overseeing federal prosecutions in the city. The review is being carried out following the dismissal of a high-profile case in Illinois that was thrown out due to alleged prosecutorial misconduct. Multiple outlets report that the top federal prosecutor for Chicago announced the initiative, indicating it is focused on prior grand jury presentations and the conduct associated with them. The review’s stated purpose is to assess the circumstances that led to the dismissal of the earlier case and to determine whether similar issues may have affected other presentations. While the reports agree on the scale of the review and the reason it began—misconduct revelations leading to a dismissed case—they do not detail specific findings or the exact types of alleged misconduct being examined beyond that context. The effort is part of federal oversight of criminal proceedings involving Illinois prosecutors.