Group 1 - The article highlights the importance of thorough preparation and understanding of relevant knowledge in handling cases, as emphasized by Zhang Shihai, a seasoned investigator in the discipline inspection and supervision system [1][2] - Zhang Shihai has been recognized for his dedication and expertise, leading to significant achievements in investigating complex cases, including the case involving a state-owned grain and oil company's managers [1][5] - The investigation into the grain and oil company revealed discrepancies in grain inventory records, indicating potential fraudulent activities related to misreporting losses to embezzle funds [2][4] Group 2 - In the municipal landscaping sector, Zhang Shihai's team conducted thorough field checks, uncovering significant discrepancies between reported and actual plant quantities, which pointed to possible corruption in project management [3][4] - The investigation into the landscaping sector led to the exposure of corrupt practices involving officials who accepted bribes in exchange for favorable treatment in project contracts and inspections [4] - Over his career, Zhang Shihai has led the investigation of over 200 problem clues and has been instrumental in the disciplinary actions against more than 150 corrupt officials, contributing to a cleaner political environment [5]

Core Viewpoint - The article highlights the effective practices and strategies employed by Ming Xingping, a key figure in the anti-corruption efforts in Zigong City, Sichuan Province, emphasizing the importance of detail-oriented investigation and psychological understanding in handling corruption cases [1][2][4]. Group 1: Investigation Techniques - Ming Xingping has been recognized for his ability to identify critical details that lead to breakthroughs in cases, earning him the title of "breakthrough expert" among colleagues [2]. - He emphasizes the need to thoroughly examine all information, no matter how trivial it may seem, to uncover connections and evidence in complex cases [1]. Group 2: Psychological Approach - Ming Xingping employs a psychological approach in investigations, tailoring strategies to the mindset of the subjects being investigated, which includes emotional engagement and personal reflection [2]. - His methods include building rapport with subjects, as demonstrated by his thoughtful gestures, such as sending birthday cards and festive gifts, which help to reduce resistance during investigations [2][3]. Group 3: Training and Mentorship - Ming Xingping is committed to mentoring younger anti-corruption officials, sharing his extensive experience and insights into investigation practices [4]. - He conducts training sessions for local anti-corruption cadres, focusing on practical skills and wisdom gained from years of experience in the field [4].