Chapter 7 Chapter 6 Geographical Profiles

After several days of on-the-spot investigation, this afternoon, Han Yin, who had been wandering outside seemingly carelessly, felt that it was time to take out the profiling of criminal geography and exchange opinions with the case handling team.Of course, this result had been discussed previously within the support group and was unanimously agreed upon.Han Yin and Gu Feifei intended to train the two little guys, so Du Yingxiong was the main reporter, and Ai Xiaomei assisted. Criminal police detachment small conference room. Du Yingxiong stood in front of the projection screen with a serious expression, and Liu Dui led several backbone case investigators and the rest of the support team to sit on both sides of the long conference table.Ai Xiaomi called up a detailed crime location map on the laptop and displayed it on the projection screen, and then Du Yingxiong began to explain calmly:

"This series of crimes is generally divided into two major stages. Geographically, it just spans the two districts of the city. Our analysis focuses on the crime stage from 1988 to 2002, because the murderer committed crimes in this stage. The geographical distribution characteristics of the murderer are more instructive for the background information of the profiling murderer. "Through the orientation map behind me, you can clearly see that the first eight crimes were actually carried out on Renmin Road in Chaoyang District. Among them, cases 1, 2, 5, 8, and cases 3 and 6, They happened on the east and west sides of Renmin Road respectively. The former incident occurred at a straight-line distance of 20 meters to 150 meters from Renmin Road, while the latter was at a distance of 700 meters to 1 kilometer. Cases 4 and 7 occurred between the southern end of Renmin Road and Shuichuan Road at the junction of the two, the place where the crime occurred was no more than 50 meters away from the junction. This clearly shows that the surrounding area of ​​Renmin Road is the murderer's psychological comfort zone, and it can also be seen that he has a high degree of respect for this area with complex terrain. In addition, we believe that the prosperous and high-end regional characteristics of Renmin Road will create a certain degree of psychological oppression for outsiders and those in distress. Therefore, judging from the murderer’s steady crimes and his ability to come and go, he should be Renmin Road. The surrounding 'seated households'."

Du Yingxiong entered the state quickly, and the first argument was clearly stated.He paused for a while, then nodded slightly to Xiaomei, and Xiaomei immediately operated the keyboard cooperatively, and two similarly detailed azimuth maps appeared on the projection screen. Du Yingxiong pointed to the two pictures side by side behind him, and then said: "Then, can we find a fixed pattern in which the murderer chooses the victim from the geographical distribution characteristics of the crime just introduced? The answer is - yes! "Behind me are two maps of bus routes passing around Renmin Road, which are the downlink routes of No. 9 and No. 3 buses. You can see that we have made special signs on the key points above.

"Let's talk about the No. 9 bus first: it starts from the copper processing plant of the metallurgical company in the northwest of Renmin Road. Soon after entering the section of Renmin Road, turn left at the first fork with traffic lights to the intersection with it. Silong Road, and after a large circle in the east of Renmin Road, it merges into Renmin Road again through the roundabout of Yekuang Bus Station, and finally enters the terminus of Shuichuan Road. This line covers the crime scenes of Cases 2 to 7 Orientation, which is only a dozen meters away from the station, and the distance is no more than 200 meters.

"Let's talk about the 3rd road: it starts from the lead-zinc processing plant of the metallurgical company in the northeast of Renmin Road, but it first passes through Silong Road, and then turns left at the same fork mentioned above to enter Renmin Road. Then it is completely along Renmin Road, passing through the roundabout of Yekuang Bus Station, passing through the junction, and also entering the terminal of Shuichuan Road. It covers the crime scene directions of Cases 1, 2, 4, 5, 7, and 8. The corresponding stations are very close. "Combining the above two bus lines, it can cover all crime scene locations, so is this a way for the murderer to choose the target? The murderer may have encountered a 'favorite' target while traveling on the bus, and then tracked it and committed the crime on the same day , or commit crimes after repeated follow-up in the future.

"To be more specific, let's look at several overlapping sections and stations of the above two bus lines: the terminus of Shuichuan Road; and then they all have stops near the roundabout of Yekuang Bus Station, and they are not far from each other ; Then there is Silong Road. Although the driving directions are different, they overlap each other by about 1 kilometer on this road. If, as judged above, the murderer selected targets on the two bus lines of No. 3 and No. 9, then Their overlap is very meaningful. Of course, considering the circumstances of the case, the latter two overlapping sections are obviously more valuable for analysis, because they also mean the overlap of the murderer's life trajectory.

"Let's make an in-depth analysis: First of all, let's talk about the overlap of the bus stops near the roundabout of the Smelting and Mining Bus Station. It’s still your case handling team who believe that the murderer is very knowledgeable about the power supply bureau, and may have a direct or indirect relationship with the power supply bureau. Speaking of which, I think Team Liu and everyone here should have experienced the large-scale fingerprint extraction competition back then. As for the work, unfortunately, the final result is that the direct relationship between the murderer and the employees of the power supply bureau was ruled out, thus giving up the investigation direction of the power supply bureau. But now, when we make it clear that the No. 3 or No. 9 bus is used as the The way the media finds targets, when we suddenly find that they all have a station near the power supply bureau, and then examine the characteristics of the two cases of the power supply bureau, we have to admit that if the murderer has no direct relationship with the power supply bureau, there is likely to be a The indirect relationship may be the family members of the employees of the power supply bureau, or it may be someone who lives nearby and can deal with the power supply bureau.

"If there may be some unexpected situation in the previous analysis, then the analysis of the overlapping section of the two buses on Silong Road will make us very sure that the murderer must belong to the smelting company or an employee of the smelting company system..." When Du Yingxiong said this, there was a rare noise in the meeting room. It seemed that some police officers from the case handling team wanted to refute his point of view, but Liu Dui stopped him with his eyes in time. Du Yingxiong continued: "This case The murderer, we think he is a mixed type between organized and unorganized. The characteristics of the crime usually develop from near to far in terms of distance. This is not only the geographical distance, but also the psychological distance. For the first time committing a crime, he either chooses a familiar geographic location or a familiar target. Of course, the latter kind of familiarity does not mean a real relationship in reality, but a degree of familiarity established through indirect means, such as the murderer We often encounter the victim in the car. For example, he heard her background information from a worker, but we are sure that they have no direct mutual interests. At most, it is a relationship of nodding and greeting each other. So, we can't help but ask, first of all The victim of the case worked in the main factory of the metallurgical mining company. Does it mean that the murderer is also like this?

"The argument just now is just one, then the second: As mentioned earlier, the murderer committed the crime around the east, west, and south directions of Renmin Road, but not in the north direction, and the demarcation point is the first street on Renmin Road. A fork in the road with traffic lights, that is to say, all the crimes occurred in the south of Silong Road. Why is this? It is because the General Factory of the Smelting and Mining Company is just one or two hundred meters away in a straight line north of Silong Road. This is almost a very instinctive desire to keep a psychologically safe area in an area he is familiar with and often moves around. This shows that the murderer is very worried that the police will link the case with the metallurgical mine. companies linked together.

"Thirdly, most of the previous crimes occurred around five or six o'clock in the evening, which coincided with the off-duty time of most people, and they were connected to two sites that were also located near the Silong Road Smelting and Mining Company. The bus routes that can cover all the locations of the crime scene, as well as the roughly clear method of finding the victim using the bus as the medium, should be able to draw a more specific and reasonable inference-the murderer came from the General Factory of the Metallurgical Mining Company. After work, I met the victim and committed a crime when I took the bus back to the Power Supply Bureau! This is why I have always emphasized that the bus line is a downward line. As for the latter cases, some occurred in the morning or afternoon, maybe It is because the murderer actually works in three shifts. Let me explain in more detail: the murderer may have encountered Cases 1, 7, and 8 while taking the No. 3 bus after work, and lived along Renmin Road or in the east direction respectively. and the victim at work; while taking the No. 9 bus, he completed the implementation of cases 3, 4, and 6. This pattern of crimes can also be proved once again that the murderer has a strong organizational ability. Although it was at least one year later, he never The crimes were not committed consecutively on a certain bus line. From this, we can also draw an inference that although the above-mentioned victims are all of the accidental type, the murderer’s crimes are by no means random. In addition, Cases 2 and 5 that are not mentioned should be There is no connection with the bus. Given that he may have an indirect relationship with the power supply bureau, we believe that the two cases are completely premeditated crimes!

"As for the two cases this year, the murderer expanded the crime area to Fuping District, probably because his focus of life or work shifted there. We can try to investigate this direction." Finally, when the hero finished his concluding speech, the key members of the case handling team who had been sitting down holding back their anger, didn't care about Team Liu's face at this time, and immediately turned to the hero, Han Yin and others Yelling: "Aren't you too self-righteous? Do you think we haven't thoroughly investigated the smelting and mining company?" "That's right! That's right! We've gone through the general plant of the Smelting and Mining Company, and even the entire system of the Smelting and Mining Company. You mean that we didn't do our work meticulously enough, so we let the murderer slip through?" "We have focused on the investigation of the power supply bureau and the smelting and mining company. Why do you only approve the previous investigation and deny the latter investigation?" ... "Okay, you guys, what are you arguing about? If you have different opinions, it's up to you, but pay attention to your attitude!" Some people took the lead in choking, and the people behind echoed it one after another. Although Team Liu reluctantly came out to smooth things over, it also made people feel a little reluctant.The atmosphere in the conference room was very awkward. Fortunately, the support team had seen this kind of scene a lot, and they did not show any particularly antagonistic emotions. Gu Feifei glanced at Han Yin with a wry smile, and Han Yin calmly said: "We I don't intend to obliterate your labor, and I don't feel that you are ineffective in handling the case. I just report the results of our analysis. Later, we will continue to make corrections according to the situation, and then we will make a more comprehensive criminal psychology based on this. Profile. Of course, I admit that I am still a little bit troubled..." Before Han Yin finished speaking, he saw Team Liu's mobile phone on the table vibrate suddenly, so he stopped talking and nodded to Team Liu to let him answer the phone first.Unexpectedly, Team Liu put the phone to his ear for a while, and his expression changed drastically. He quickly glanced at the screen of the phone, and then hurriedly said a fixed phone number to the policeman next to him, and told him to find the technical department immediately to find out the owner of the phone. address. Looking back, facing Han Yin and the others, Liu Dui frowned and said unexpectedly: "Yes, it's the murderer. He said on the phone: 'Since you are not smart enough, I will call you to inform you. I didn't do the case. If you want to know what I like, come and see!'” "How could he have your mobile phone number?" Everyone asked in surprise. "It's nothing unusual." Team Liu explained with a dejected expression, "When I was handling the case in the early years, I was not a detachment leader. I don't know how many police and civilian contact cards with mobile phone numbers were issued during the investigation. In changing the number, I was actually looking forward to receiving a valuable tip one day, but I didn't expect it to be a mocking call from the murderer."