Zhang Zhengbo's drug-related case, which was called the "Breaking Bad" case by the media, has a final verdict. Zhang Zhengbo is a postdoctoral fellow returnee who was an associate professor at the School of Chemistry and Chemical Engineering of Huazhong University of Science and Technology at the time of the crime.

The court revoked the four people involved in the case who had previously been convicted of the crimes of smuggling, trafficking, transporting, and manufacturing drugs, and sentenced them to illegal business operations.