Yu Xindao: “I have a friend who participated in the investigation. He told me, but due to confidentiality rules, he couldn't say much. What he revealed was also vague, but it's better than nothing.”,Let me know if you have any other text you'd like me to translate!,Assistant Yu Xingjian was already at the door about to leave. He stared at the ground for a moment, then suddenly asked, “Assistant Hao, it’s getting cold, your jacket seems a bit thin, wouldn’t you be cold”。