perp walk
noun [ C ] US informal uk/ˈpɜːp ˌwɔːk/ us/ˈpɝːp ˌwɑːk/
（警察将被拘捕的罪犯带到公共场所让媒体观看和拍摄的）游街
an occasion when police officers take a person who has been arrested for a crime through a public area so he or she can be seen and photographed by the media