根据已发三起未成年人杀人案,从现场勘查信息分析入手,分析刻画未成年杀人案中案犯的心理痕迹特点,以及在案犯刻画中的运用。 According to the three cases of juvenile murder, starting with the analysis of the scene investigation information, this paper analyzes the characteristics of the psychological traces depicting the criminals in the case of juvenile homicide and the application in the portrayal of the criminals.