Case code: "11·24" Confined Space Murder Case. On a rainy night in late autumn, the 110 command center received a weak call for help from a woman, but hung up before she could finish her words. The technical positioning is shown in the top-floor duplex in the high-end community of "Cuidi Haoting". The blood stains were in the shape of splatters, and it was initially determined that the artery was ruptured. The murder weapon was a broken red wine bottle at the scene, with only the deceased's bloody fingerprints on the bottle's mouth. Forensic autopsy report (Shen Tingyu): The cause of death was sharp instrument injury to the left common carotid artery. The time of death was within two hours before the alarm. There were sleeping pills in the body. There are no defensive wounds on the body surface.