C962 The Murderer be a Woman
Among them, they only found the person with a face mask. Presumably, the murderer also found the person with a face mask in order to avoid being tracked by them, so he took it off before he left.
After all, in the eyes of the police, these murderers were unwilling to reveal their unconcern to others. However, they didn't expect this murderer to be so bold as to take off his mask