Wang Lijun
Wang Lijun, who was the head of Chongqing police department as well as the vice mayor of Chongqing, was in charge of the investigation. According to a CPC internal report, Wang and his lieutenants were said to be under political pressure during the investigations. Soon Wang found the murder was related to Bo, who had been his superior for more than 10 years. After submitting the investigation report to Bo Xilai, Wang was suspended by Bo. Some of the police officers who participated in the investigation were arrested.