"I was aware of this at the time, but because the cat was not dug up in the cat's grave, Lao Chen had lost trust in me, and in that case, I couldn't let Lao Chen continue to help me, and since then, I have begun to investigate this matter alone." Dr. Lim said.

"Is it the ruling year Tai Sui?" Xu Tian asked.

"At that time, I had doubts about the school, because I did see that the female classmate had buried the cat, and I was also very suspicious of the female classmate's household registration, and I dared to conclude that someone had cancelled the household registration of the female classmate, and the person who could do this, you can guess without me saying it, right?" Dr. Lim said.

"It's not a trivial matter, and if the police have their people, then your future actions may be blocked." Xu Tian said.

"At that time, I felt that I was in a very dangerous situation, and I left the school, but I did not stop investigating the school. After the limelight passed, I moved into the campus under the guise of psychological counseling. Since Lao Chen and I didn't cause much noise when we investigated the incident at that time, the school didn't pay much attention to me, but I could feel that since I returned to school, someone had been watching me. Every time I went back to my accommodation, I noticed some slight movements in the room, and the next day someone rummaged through my suitcase, and I found these small movements, almost every day. Dr. Lim said.

"You must have managed to catch the guy who got into your room." Xu Tian said.

"Of course, but there is no progressive breakthrough after catching that person." Dr. Lim said disappointedly.

"It's supposed to be a janitor, right?" Xu Tian asked.

"That's right, I've been setting traps ever since I knew people were coming into my room every day. I found a ceramic bottle and put it in my suitcase, I filled it with twenty milliliters of alcohol, and I would pour out the alcohol from the bottle every night when I went back, let it dry overnight, and the alcohol would be completely evaporated when I woke up the next morning. Then before I went out, I poured 20 milliliters of alcohol into the bottle precisely, I sharpened a very small hole with a fine needle at the mouth of the bottle, and I also pierced a small hole in the cap, and every morning I closed the small hole in the cap and the small hole in the mouth of the bottle, so that the alcohol would gradually evaporate, and if someone unscrewed the bottle with alcohol, that person would definitely remove all the caps and look inside the bottle, and when the person screwed the cap on, I could determine when the person broke into my room. Dr. Lim said.

"The hole is just to hide people's eyes, in fact, you have done other things at the cap, you get something stuck in the cap, just unscrew the cap, that thing will fall into the alcohol, and when you come home at night and see what the thing that fell into the alcohol looks like, you can roughly guess when that thing fell into the alcohol." Xu Tian said.

"You're pretty smart! I set up a chemical, so I won't go into detail again, but when I deduced that the person who broke into my room broke into my room at 2 p.m. every day, I took a leave of absence to return to the dorm at 2 p.m. the next day. But when I saw a middle-aged woman in a cleaning suit sneaking around in my room, I didn't say anything, just pretended to come back to get the documents I had forgotten in the dormitory, and I left after saying hello to the person. Dr. Lim said.

"That cleaner should have been bribed, or someone who broke into the school a long time ago." Xu Tian said.

"I don't know, anyway, the janitor hasn't come into my room since, and of course I'm starting to notice it. I quit my job at the school after the janitor stopped coming into my room, and I started following up on the janitor. Dr. Lim said disappointedly.

"Something happened to that cleaner too?" Xu Tian guessed.

Dr. Lin nodded slightly.

"I only followed her for five days, and in the evening of the fifth day, the cleaning aunt got off work from school and she had a car accident on the way to the vegetable market." Dr. Lin said with a sip of water.

"Have you continued to track down the driver who hit the cleaning aunt?" Xu Tian asked.

"Of course, I started investigating the driver ever since, and the driver ended up dead. Do you remember the Netherworld Bride case I told you in the Chen family's ancient mansion? The truck driver was the one who hit and killed the cleaning aunt. I witnessed the accident with my own eyes, but in hindsight, the accident had nothing to do with the truck driver, it was all the fault of another taxi. There were no traffic lights at the intersection of that market, and of course there was no surveillance. At that time, the truck driver was driving as usual, and when the cleaning aunt crossed the road, the truck was about to drive to the corner, and at that time the cleaning aunt also happened to walk in the middle of the road, because it was already very dark at that time, when the truck turned the corner, the taxi suddenly turned on the far light, and the truck driver must have been illuminated by the light, so he did not see the cleaning aunt. Dr. Lim said.

"Then you tracked in the wrong direction, but the truck driver also died in the end, will that case also have something to do with the ruling Tai Sui?" Xu Tian asked.

"I don't know, but I lost the clue, I didn't see the license plate number of the taxi at all, I found the police to report, and the police also investigated the whereabouts of the taxi at the scene of the accident, but in the end there was no progress, and the taxi disappeared." Dr. Lim said.

"The whole case system is very well done, but I don't understand what the person who set the trap is trying to do." Xu Tian asked.

"The real nightmare was just beginning at that time, seven years ago when I first came into contact with the prelude to the reign of Tai Sui, and a year after that event, in the summer of 2011. I still didn't give up on it, I walked into the traffic team again, the taxi that caused the accident was still not found, and the case became a cold case, but at that time, the school had another accident. At that time, there was a news circulating on the Internet, saying that the school dormitory was often haunted at midnight, and the door number of the dormitory was photographed on the news, and the news editor also went to the scene to investigate, but the scene of the investigation of that news was the haunted dormitory, but the dormitory was already occupied by new students, so I returned to campus. Dr. Lim said.