"And what's your inference?" Li Zhitong asked.

"Obviously, whether it is the stepmother in the room or the stepmother who is carrying the lantern upstairs, there is no face under the camera, I deduce that the two people are not the stepmother herself, this is a gang crime, two women teamed up to kill the stepmother, among them, the stepmother who has been sitting in the room until midnight The figure and face shape of the stepmother must be more similar to the stepmother, as for the stepmother who carried the lantern upstairs, it is possible whether it is a man or a woman, because the person was not photographed at all when he passed by the camera, And the man was very close to the camera when he passed by, but the whole body of the man was obscured by the red glow of the lantern. Xu Tian said.

"You finish a long paragraph in one breath, and you don't have a single sentence in between, how can the reader read it? I really deserve this book that no one reads, and it's all on you. Li Zhitong said sarcastically.

"Because it's an important reasoning passage, you're going to listen to it! Originally, this book was not the kind of book that could be understood at a glance, but then again, did the police really not find any other clues when they investigated this case? Xu Tian said.

"There is no record in the case file at all, and you have speculated on the suspicious places, and as for the clues, the police have not found any clues." Li Zhitong said.

"It is impossible to have no clues, if it is a homicide case of his homicide, the crime scene will definitely leave clues to testify against the criminal, this is an iron law in the world, if there is really no clue, then there are only two possibilities, one is that the victim's family will not be investigated, and the irresponsible case-handling personnel will not bother to care; The other is that the case-handling personnel are not responsible, or the case-handling personnel are not competent. Xu Tian said.

"Both of your statements are correct, but this case can't be matched, first of all, the victim's family has never said that they will not be prosecuted, and then there is that the case-handling personnel are the city's criminal investigation team, and their ability is definitely not inferior to you and me." Li Zhitong said.

"And what do you think of my inference?" Xu Tian asked.

"It makes sense, but there is no evidence, so it doesn't matter what I have in opinion, even if our inferences are correct, it will not meet the standard of closing the case." Li Zhitong said.

"Alright! Since this is the case, we can only start with the details of the case. The first question is, did the stepmother find a chair or other stepping object next to the body after she was found hanging? Xu Tian asked.

"The thing that cushioned the foot was the chair that my stepmother had been sitting on for the first half of the night." Li Zhitong said.

"The second question, did the red lantern that the stepmother was carrying stay at the scene of the murder?" Xu Tian asked.

"Of course, otherwise this may become a strong clue to chase the murderer." Li Zhitong said.

"And one last question, are there any traces of people sitting on the windowsill?" Xu Tian asked.

"There were no traces on the windowsill, including dust, and the little girl's room was very clean, including the whole house, almost to the point of spotlessness, so there were no traces left on the windowsill, but the windows were still open, and the whole night scene remained until the next morning." Li Zhitong said.

"Can we go upstairs and have a look now? It's been five years, but I still think there's a need for an investigation. Xu Tian said.

"You wait, I'll go and talk to the forensic doctor inside, upstairs shouldn't be used." Li Zhitong said.

After Li Zhitong left, Xu Tian and Teacher Jin stayed outside, and Teacher Jin was a little silent from just now, which couldn't help but make Xu Tian feel a little isolated.

"Why don't you give more advice?" Xu Tian asked Teacher Jin.

"Did you say that Li Zhitong described the case just now?" Teacher Jin replied.

"You have your own inferences about that case, right?" Xu Tian asked.

"You have said what you should say, and Li Zhitong has deduced your opinions before, and the thinking of the three of us is really similar." Teacher Jin said.

"There should be a lot of inferences when revealing the answer to the murder case, and finally find the inference closest to the truth under the guidance of clues, and then finalize the inference under strong evidence, and finally the final answer, but we have no more clues, and there is no evidence, this kind of case seems to be difficult to solve, but it is actually the simplest." Xu Tian said with a sinking face.

"I know what you're thinking, against all impossible, and the most surprising thing in the end is the answer, right?" Teacher Jin said.

"There's a big bug in the whole process of the case, you should have noticed it too, right?" Xu Tian said.

"Uh-huh!" Teacher Jin sneered. "That's right, the most unexpected answer, and the biggest bug, this is indeed a truth that is difficult for people to think of, but it did happen, and that scene is all around us." Teacher Jin said.

While he was talking, there was a sound of the window opening from upstairs, and a large cloud of dust fell from the rusty iron window, and Li Zhitong stood in the little girl's room and leaned out.

"Come in!" Li Zhitong shouted downstairs.

Xu Tian and Teacher Jin were about to enter the house, and Xu Tian, who was patrolling above, inadvertently saw Li Zhitong's eyes, at this time Li Zhitong stood in the little girl's room and looked out of the courtyard gate, Li Zhitong's eyes were full of excitement.

"Humph!" Xu Tian lowered his head and smiled.

After entering the house, the entire first floor was occupied by the forensic doctor, Yi Shuai's body was still in the autopsy, under the guidance of the forensic doctor, Xu Tian and Mr. Jin walked to the remote staircase, this is a relatively wide staircase, the width of each step is about two meters, the staircase is made of solid wood, there is only a row of footprints on the dusty staircase, it seems that except for Li Zhitong, no one has been upstairs recently.

"You go up first!" Teacher Jin said.

Xu Tian pedaled upstairs, there was only the little girl's room upstairs, the rest of the space was the rooftop, and on the right side of the little girl's room was the door of the rooftop.

"Did you come up alone?" Li Zhitong turned around and asked.

"What did you just find?" Xu Tian walked into the room and asked.

"Just look at it, it's quite interesting outside this window." Li Zhitong moved away from the window and said.

Xu Tian walked to the windowsill and forgot to glance out, and his curious face immediately burst into a smile.

"I see, so the answer is obvious, I had a speculation about this from the beginning, you should have known it for a long time, right? Otherwise, I wouldn't have wasted so much tongue telling me about the little girl's car accident before the case. Xu Tian said.