In 2017 when inspectors first entered northwest China's Gansu Province, they had already found former vice governor Yu Haiyan guilty of abusing his power to seek huge profits for himself and others, according to a member of the inspection team.

Yu was scared and anxious, and had started taking sleeping pills, a former official from the provincial capital Lanzhou said in the documentary.

Since 2010, Yu had been drawing CCDI officials to his aid and had conspired with Ming Yuqing, a former official with the CCDI. During the 2017 inspection, Ming cleared the investigation and closed Yu's case, according to the documentary.

After the 2017 inspection, discipline inspection authorities continued to receive complaints from the public against Yu. One week before the inspection team returned to Gansu in November 2016, Ming was put under investigation, and another investigation into Yu began in January 2017.

"Looking back on the choices I made, they were all stupid. [I] did think that I might have a chance to escape," Yu said.

The re-examinations also resulted in the investigations of Huang Xingguo, former acting Party chief and mayor of Tianjin Municipality, Wang Min, former CPC chief of northeast China's Liaoning Province and senior national legislator, and Wang Sanyun, Party chief of Gansu Province.

Altogether 16 provincial-level regions, including Beijing, Tianjin, Chongqing and Liaoning have been re-examined.

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