chapter 116 Serial Killing

Cyanide is a colorless gas with a faint smell of bitter almonds. However, due to personal genetic problems, perhaps 40% of ordinary people cannot smell that odor.

In some Western hospitals, patients with incurable diseases or advanced cancer are in great pain and want euthanasia. Injecting cyanide will allow the patient to die painlessly.

Therefore, when the bodyguard just now talked about Li Feng's death, his expression was not very ferocious, which means that the other party...