At the press conference, the investigator in charge of the case released some details of the case: “The woman who was killed was Menghan Zhuang, a 23-year-old Chinese citizen, who was found at her home by her roommate at 6:45 p.m. on February 4. Investigators believe Ms. Zhuang was murdered by a man she knew, who she let into her apartment the night before she was killed. “At the moment, the investigator is focusing his attention on this person.” During the investigation, investigators found that the man had arrived at the scene the night before the crime, and the video showed that the same man had left her apartment through her second-floor bedroom window on the same afternoon that Ms. Zhuang was found dead. ”