Furthermore, the amount of sevoflurane used by the perpetrator on the victim may not have been large. The perpetrator only needed the victim to be temporarily unconscious for a few minutes to complete the murder.,Then, after a short while, Jiang Yùn Bái saw the freshly taken X-ray images of Gu Yàn on the computer.,After work, Jiang Yunbai put her white coat in the duty room.。