And the walls are airtight, and the only things that can be used for people to travel are absolutely doors and windows. The door is locked from the inside with an iron chain, which completely excludes the possibility that Xiong Wancheng can leave through the door after killing Miao Miao, so Xiong Wancheng can only leave through the window, which is why the window is not locked by something like an iron chain.

"Unless Xiong Wancheng has the skill to penetrate the wall, he must have left through the window. After he left here, he jumped on the cement slab outside, jumped over step by step, found the least secure window, pulled hard from the outside, forcibly opened the window, and left through the other people's homes. Shen Cheng said.

The dents on the outside of the window were left by Xiong Wancheng when he pulled the window, and the grooves inside were broken because the window was forcibly opened. After Shen Cheng had an idea, he spoke very quickly, he said, after the incident, there were blood stains everywhere, and all our attention was confined to this secret room.

Outside, it was a four-story building, and we didn't think that the murderer would leave from here, let alone the other rooms. Because at that time, the doors of all the rooms on this floor were closed, and there was nothing unusual about it. The murderer entered the other rooms through the window, opened the door from the inside, and after exiting, closed the door again, and the door was naturally locked, leaving no trace at all.

"But, he's outside, how did he plug in the latch of the window?" A policeman asked.

We were all silent when this question was asked, and there was a very important question that remained unresolved. Assuming that Xiong Wancheng really escaped through the window after killing Miao Miao, then he had to plug in the latch from the outside and lock the window, then this secret room would be completed.

As we pondered, the policeman who had gone out to investigate came back out of breath, and he had brought back an employee of the power supply bureau, who seemed to have just woken up with slightly red eyes. However, when he got here, he began to tremble all over his body and looked scared.

The police said that on the way back with the worker, the police had made a little inquiry, and the employee said that when he lived here, he did not find that the windows were broken. In order to be more sure, Shen Cheng directly took the employee to his original residence, and after the employee looked at the damaged window, he shook his head and said that he didn't break it.

"Didn't you notice after the window was broken?" Shen Cheng asked.

The employee shook his head even more: "I don't know when it was broken, anyway, before I left, I didn't find out that it was broken." ”

The policeman on one side asked, "When did you leave?" ”

Shen Cheng: "No need to ask, after Miao Miao was killed, they left." ”

At the beginning, when Zhao Da and I were investigating together, the entire building was zoned as a crime scene, and when we kept vigil here, the entire power supply bureau staff dormitory building was also empty. At the beginning, I also asked Zhao Da to pay attention to these employees who temporarily live outside, because these people are very suspicious.

The order was given by Zhao Da personally.

For a long time, the building was cordoned off. After the lockdown is lifted, some workers will come back to pick up their things, and some employees are so scared that they don't even dare to come back to pick up their things. And the workers who came back to pack up their things, especially those on this floor, didn't pack up in a hurry, and then ran away with a roll.

Who cares if the windows of their home are broken?

At the end of the interview, we left the electricity supply building. Shen Cheng said that he felt that we were slowly touching the vine, and he still couldn't understand how the latch was inserted, so he focused on the drunk man again. When we meet the drunk, the drunk is completely sober.

Actually, I was a little worried at first, but now everyone we meet may be suspicious. The place where the drunk sobered up is the same hospital as Shen Nuo and Jiang Jun, and I am afraid that something will happen. But now, I was finally relieved, Shen Nuo had woken up, and she walked up to me and asked me where I had been early in the morning.

I said it briefly, and Shen Cheng began to ask.

Shen Cheng asked the drunk man if he also went back so late every day a few days before the woman in red incident. The drunk nodded and said yes.

Shen Cheng: "Have you seen anything strange, seen any strange people, or heard any strange sounds?" ”

The drunk shook his head: "I'm all drunk, what can I see." ”

Shen Cheng: "Did you see anyone driving away?" ”

The drunk laughed and replied, "We are all poor, who can drive." ”

Shen Cheng couldn't ask, so he had to give up, and just when we were about to give up, someone suddenly said, "Let me ask." ”

We turned around, and there was Liu Jia standing outside the door, Liu Jia had already woken up, she passed by here and heard Shen Cheng's inquiry about this drunken man. Shen Cheng had no objection and asked Liu Jia if he wanted to use hypnosis, Liu Jia smiled slightly: "Hypnosis is not omnipotent, not everything can be asked with hypnosis, perhaps, don't be so troublesome." ”

Shen Cheng stepped aside, Liu Jia sat in front of the drunk, thought for a while, and asked, "How is your temper when you are drunk?" ”

The drunk scratched his head a little embarrassedly: "Maybe drunk." ”

At this point, the drunk man did not lie, in the early morning, the police went to help him, he even dared to scold the police, and almost did it. It's just that we don't know why Liu Jia asked this question, and we didn't bother Liu Jia's questioning, since she asked, maybe she is sure.

We had no choice but to let her try.

Soon, Liu Jia asked another question that puzzled us: "Can you drink very well?" ”

The drunk man immediately nodded, saying that he was very good at drinking, and every time he drank, although he was drunk, he could find his way home, open the door, and lie down on the bed. Sometimes when he gets tired of walking, he will sit on the side of the road, vomit for a while, and then rest for a while before going back, but he never sleeps on the street.

"When you go back, are there many people on the road?" Liu Jia continued to ask.

Finally, we feel that Liu Jia's questioning is starting to get on the right track.

The drunkard replied that although the road was remote, there were still night walkers. The drunk also said that on that part of the road, he walked and rested, although the block was not long, but because of drunkenness, he needed to walk a long way. According to the drunk, the longer he spent in that neighborhood, the more likely he was to see the killer flee.

The murderer can't fly into the sky, nor can he escape to the ground, and there will be pedestrians passing by at night in that downtown block, unless the murderer is really lucky, he may not be bumped into by a person. But the possibility of this possibility, almost zero. Because of this, Shen Chengcai did not give up the decision to find potential eyewitnesses from the beginning.

Finding potential witnesses is a very important part of the investigation of criminal cases, but because there are direct witnesses in general criminal cases, and it is difficult to find potential witnesses, this investigative behavior is rarely used in investigation practice.

Liu Jia nodded, she suddenly fell silent, she seemed to be carefully recalling the question asked by the drunk man just now, and then, she smiled slightly: "A few days before the crime, when you went home, did anything happen that made you unpleasant." ”

Suddenly, I was stunned, and I began to admire Liu Jialai. Liu Jia's questioning method is not hypnosis, but it is also a psychological suggestion to the drunk, and gradually guides the drunk to answer the questions she asks. Shen Cheng couldn't ask, in the case that the drunk man didn't lie, it means that the drunk man may really not see anything, or that the drunk man forgot because he just saw something inadvertent.

Liu Jia put her hope on the latter possibility. The first two questions Liu Jia asked were not unrelated to this case, but that Liu Jia wanted to understand the personality characteristics of this drunk man first, and then find a way to induce things that might be forgotten by the drunk because of inadvertence.

Asking if a drunk is going crazy is to determine his personality characteristics, to ask how much the drunk can drink, to see if the drunk is still conscious when he goes home, if he is not conscious, there is no need to ask again.