面对恶势力的挑战李贵彦，姚乃国，白利民认罪道歉声明引出的……１９９６年８月６日下午，西安市公安局未央分局局领导在三楼会议室，向检察日报、法制报等有关记者介绍了一起打击地方恶势力案件的经过之后，一位老者来到会议室，他自我介绍说：“我是未央区谭家乡上水腰... In the afternoon of August 6, 1996, under the leadership of Weiyang Branch Office of Xi’an Public Security Bureau, leaders of the Central Committee of the Xi’an Municipal Public Security Bureau introduced to the relevant journalists such as the Procuratorial Daily and the Legal Daily newspapers at the conference room on the third floor. After cracking down on local evil forces, an old man came to the conference room and introduced himself: "I am from the water bank in Tanjia Township, Weiyang District.