Su Jianan found nothing from the trip with Jiang Shaokai.

They visited the retired policeman who had managed the case of Lu Boyan's father. The old man said he was impressed about the case, because everyone was very sorry about his death.

The police did suspect the cause of the accident, but the investigation was carried out step by step, and every step was as smooth as the program was unlocked, and everything was reasonably explained.

They couldn't ...