C810
Du Zhixun pondered over Liu Fei's words. Although her conjecture had no practical basis and seemed more like an imaginary one, it still made sense logically. This was a bit like Ding Qian's style. As expected, it was true that he who was close to the grave was close to the grave.
Liu Fei's method of investigation was an autopsy.
As long as she could lay her hands on the corpse