公安部A级通缉犯，狱中被揪出！

Core Viewpoint - The article highlights the successful identification and apprehension of a fugitive, Liu, who had been evading justice for 13 years by using false identities and information while incarcerated in Xingyi Prison, ultimately revealing deeper criminal activities related to drug trafficking [1][12]. Group 1: Criminal Activities - Liu was involved in drug trafficking, specifically selling over 7,500 grams of drugs, and had been sentenced to death with a two-year reprieve in 2008 for transporting drugs [1]. - The case against Liu spanned 13 years, indicating the complexity and duration of the investigation [12]. Group 2: Investigation Process - The prison authorities noticed discrepancies in Liu's identity during his incarceration, as he provided multiple false names and backgrounds, which raised suspicions [1][3]. - A specialized task force was established to investigate Liu's true identity, emphasizing a commitment to uncovering the truth despite the challenges faced [3][5]. - Traditional investigative methods were initially unsuccessful, prompting the use of advanced technology and data analysis to compare Liu's photographs with national databases [5][12]. Group 3: Identification and Confirmation - A breakthrough occurred when a match was found between Liu and another fugitive, Gu, leading to further investigation involving family members for DNA confirmation [5][8]. - Liu's true identity was ultimately confirmed through a combination of familial recognition, historical documents, and DNA evidence, leading to his admission of being Gu [12][10]. Group 4: Conclusion and Impact - The successful identification of Liu allowed the prison to correct his records and address the security risks posed by his concealed identity, thereby enhancing the integrity of the correctional system [12][14]. - The case underscores the importance of diligence and technological advancements in law enforcement, showcasing a commitment to justice over an extended period [14].