Well about that JK Wings Killer, she just says that that person is heartless and doesn't have feeling or emotions. After listening about the murder, she was disturbed and and she hated the murderer. That person did all the nine murderer and every-time he used a different way to kill. The first three murders was done through a knife. Another victim was found to be dead due to lack of oxygen. And the other one was poisoned. After seeing all these murders, Soo Min nerved wanted to see that murder's being dead. But in all these murders, one thing is common that a black feather was found to be near all the dead bodies. And its the sign of JK Wings Killer that the killer always leave behind.
