Who killed Jiang in the script of Judgment Day?

1, maybe first put on a human skin mask to fake Jiang's body, and then hang the dummy on a tree outside the motel window. He wanted to arrange for Jiang to disappear from the public's sight, but because Jiang was drunk by An Ruoxi, Mu had to hide him under the bed.

2. "Judgment Day" is one of the scripts of "The Killing of Amazing Detectives". In the script "Killing" of "Amazing Detective", each character has his own goal, and he will do whatever it takes to achieve it.