The National Immigrant Justice Center and ACLU of Illinois filed a federal court notice on behalf of 27 people arrested without warrants or probable cause by Department of Homeland Security officers since May 2025, with at least 20 arrested in September. The filing challenges violations of a consent decree that prohibits racial profiling and warrantless arrests, documenting incidents where people were arrested while walking in neighborhoods, at parking lots, during traffic stops, and at their homes.