1.offender profilingBritish EnglishBrE the process of studying a crime, especially a murder, and making judgments about the character of the person who committed it 罪犯〔尤指谋杀犯〕特征分析
2American EnglishAmE when people who belong to a particular race or group are stopped and searched, for example by the police or at airports, because the police think that they are more likely to commitcrimes 群体定性〔因警察认为某类人较可能会犯罪而截查他们〕