The Li team was sleeping. We didn't want to disturb them, so we trusted him for a while. But there was no clue. It seemed that we could only start from the missing nail. It was obvious that someone had replaced the evidence. And it seemed very anxious. I learned from Ye Xu that the nail seemed to exist in their police car, which was very common. There were not many people who could come into contact with evidence. Ye Xu told me that the evidence on that day was the last one that he and Captain Li brought back. It included the money and nails left on the body of the deceased, a hammer nearby, and no fingerprints on the hammer. It could also be bought on the street at will, so it was basically worthless. "You said that Captain Li disappeared after you got off the car?" "Well, are you even

