FILE – In this Aug. 30, 2020 file photo, an unidentified man participates in a Blue Lives Matter rally in Kenosha, Wis. University of Wisconsin-Madison’s police chief has banned officers from using “Thin Blue Line†imagery while on duty. The move by Chief Kristen Roman follows criticism on social media of a “Thin Blue Line†flag displayed at the police department’s office. (AP Photo/Morry Gash, File)
