After preliminary investigation, Li Guokun seems to have sufficient absent proof.Ning Zhen and Lu Fan came to Li Guokun's home together. After inquiring and searching, they found clues such as car rental information and the fact that they had fixed dates in the past.Ning Zhen and Lu Fan visited and found that the vehicle rented by Li Guokun had been completely cleaned.
Cao Jin discovered that Li Guokun had entered and exited the deceased's community, and then monitored Feng Xiaojuan's shoes in the suspicious items salvaged from the place where the body was thrown.Ning Zhen and Cao Jin both inferred that the date was the first crime scene, and Li Guokun's absenteeism was overturned.The police detected that Li Guokun rented a vehicle to the country park and began to search for direct evidence.