First of all, the motive for killing
After the murderer Tamia Liu failed to confess, Liu Ziyi accepted the man who gave her a diamond ring, which also triggered the murderer's revenge. This person's psychology is very distorted, and what he can't get will be destroyed. Liu Ziyi may not have thought that she just turned down a suitor, but she was retaliated for it.
According to his long-term observation, Shen Haiyang also knew about it, so he followed it all the way. Before the murderer did something wrong, he began to call the police, because he was not sure that he could catch the murderer, and even he might be in danger. Later, Shen Haiyang was worried about the safety of himself and Shen Yu, so he chose to hide it.
Second, the script kills people
The word "script killing" originated from the "murder mystery" in "The West Banquet Live Role Playing", which is a project for players to experience reasoning in real venues. The rule of script killing is that the player first chooses the role, reads the script corresponding to the role, and finds out the real murderer hidden in the activity after collecting clues.
Script killing is not only a game, but also an entertainment project with knowledge, psychological game and strong social attributes.
If Kathy is like a real demon, then the man around him is like a noble god at the moment. One represents