C478 So it was like this

Firstly, Li Jinjie found out that this old man Lin Zhenggang had the time to commit the crime. He was not at home that night, but he had only obtained this information from the servants of the Lin Family.

Li Jinjie also found out that the person who could confirm that Old Master Lin Zhenggang was not in his room that night was Lin Huanan's father, Old Master Lin Zhengzhong