In this way, the government would not believe what he said at the beginning even if they approached Wang Fulai for questioning, but when the government investigated that rumor, Wang Fulai had already been killed by those people.

Perhaps the murderer was still worried that the confession would be backed up, so he silenced Wang Fulai before the officials could get on to him.

Then automatically clarify this rumor, the government will only think that Wang Fulai is the murderer's ...