Chen Shi and Lin Dongxue searched the area around the neighborhood, but they couldn’t see any signs of people having climbed over the wall. They also made copies of all the surveillance videos they could find in the surrounding shops.

The two of them drove back to the station after the police had already left. By that time, the preliminary autopsy report had already come out. The victim had a double-edged weapon pierce his aorta and had died of pulmonary embolism. Alcohol was detected in his bloodstream. His blood sugar level showed that he seemingly just had a meal.

In addition, gamma-hydroxybutyric acid, commonly known as "g water", "amnesia water", and "obedient water", was found in the car. It is a psychotropic drug and is often used for date-rape purposes.[1]

A cup of milk tea had been spilled in the car and it contained the same drug components....