C160 Human skin painting
The matter of Wu Ji agreeing to help Cao Fenglin earlier, had more or less been investigated. Now, there was conclusive evidence proving that Cao Fenglin's daughter was killed by Lin Baiquan.
But even so, because it involved the Voodoo Gu's superstition, these pieces of evidence could not be obtained on the surface to prove that Lin Baiquan had killed someone!
Therefore