A man died at Illinois' Winnebago County Jail on Dec. 6, 2025, prompting an investigation into possible protocol violations.

Illinois authorities are investigating the death of a man at the Winnebago County Jail in Rockford, where he was held on a misdemeanor charge. The incident occurred on December 6, 2025, and officials from the Illinois Department of Corrections and the Winnebago County Sheriff’s Office are reviewing the circumstances. The man, whose identity has not been released, was found unresponsive in his cell. No foul play is suspected at this time, but a full investigation is underway to determine the cause of death and whether jail protocols were followed.