Moreover, the edges in the photos were taken 18 years ago, so there may be errors compared with the current database.
But at that time you can’t rely on machines at all, you have to compare them one by one with your naked eyes.”
"There's nothing we can do now, is there?"
Tang Ze shrugged and said, "The large search force can conduct a blanket search without the two of us. We might as well try to figure out the connection between them. Maybe we can find some useful information."
To be honest, Tang Ze found this case very frustrating to investigate. The murder case was very clear, but the murderer was running around the streets.
Tang Ze can still make use of his strengths in battles of wits and courage, but finding someone like looking for a needle in a haystack is not his forte.
So I might as well leave the task of arresting people to the main force for the time being, and restore the truth myself here. Maybe I can gain something by then.
Led by Tang Ze, the entire scientific research team worked overtime like a machine running at full capacity, and began to investigate suspicious points in all directions.
Scientific testing is boring and lengthy. Many people finish their work late at night, so they just sleep here.
The screening work for the two was not as heavy as they had imagined. After all, the machine initially screened out the ones with too large differences in edges, but it was not too easy either, because there were also many similar edges.
The two worked all night and finally checked out another part of them. The only ones left were those that were extremely similar.
After the investigation reached this point, even Tang Ze could not conduct further screening. After all, the ridge line was just an outline of the route. Unless he went to the site to conduct an investigation, there was no way to find the answer.
"I hope what we do will be useful." Nanatsuki Koshimizu stretched and spoke while moving her body.
"Let's take a rest and see if other people's investigations tomorrow can help us gain further results." Tang Ze got up and left. The two went to their respective dormitories to rest.
No words were spoken that night.
The next morning, before everyone had time to eat breakfast, Tang Ze called them to the conference room to organize information.
First of all, the black spots in the photo are indeed human bloodstains, and the blood type is O.
The dust-like smiling particles in the envelope turned out to be soil, and clay at that.
Judging from the data, the feldspar content is higher than that of quartz. Judging from the proportion of metal oxides, it is a clay suitable for casting red pottery.
Based on the distribution of this type of clay across the country and the developer serial number printed on the back of the photo, it can be basically determined that it is from Kansai.
"Also, judging the angle of the sun from the shadow, if it is around noon, the latitude is 35 degrees south."
Saito Hiroshi added: “This should eliminate most of the problems again.
But unfortunately, the mountains in the background are just ordinary broad-leaved forests, making it difficult to find clues."
"That's enough."
Tang Ze looked at the screening data and smiled, "Among the mountains that Yue Shui and I checked yesterday, only one was within our inspection range!"
"This mountain is near Kyoto," Saito Hiroshi said. "We're going to have to travel a long way now."
"It's okay. I'll ask a reliable person to investigate."
Tang Ze said this while looking at everyone and said, "Thank you for your hard work yesterday. I'll give you a day off today. After breakfast, go home and rest."
Originally, Tang Ze planned to let Nanatsuki Koshimizu go to rest as well, but she was unwilling to do so. So Tang Ze asked her to go back to the dormitory first, and call her if she had any results and needed to go out.
After that, Karasawa called Hattori Heiji.
Although this guy may be in school, judging from Hattori Heiji's usual grades and the frequency with which he solves cases, asking for leave to solve cases is probably a very normal thing in the eyes of his class teacher.
The call was connected, and Hattori Heiji's hearty laughter came from the microphone: "Let me guess why you're calling. Is there a case that you need my help investigating?"
"Yes, that's a correct guess."
Tang Ze smiled when he heard this and said directly: "I have a case here that needs to be investigated in the mountains near Guanxi, but I can't leave here.
I'm not too confident leaving it to anyone else, so I have no choice but to ask you."
"No problem, I've been bored lately." Hattori Heiji agreed immediately: "Then tell me about the case."
"Well, although your father probably knows about this matter at our headquarters, you still have to remember to keep it confidential." After giving this instruction, Tang Ze told Hattori Heiji the general situation of the case and their findings.
"Oh, that's it. I see." Hattori Heiji said solemnly, "I'll go over there on my motorcycle to investigate."
"Then I'll leave it to you. Tell me as soon as you have any new information." Tang Ze asked.
"Leave it to me." Hattori Heiji agreed immediately: "Don't worry, I will investigate everything thoroughly, just wait for my good news."
After the call ended, Tang Ze put away his phone and waited patiently.
During this period, he was naturally not idle, but paid attention to the search operations of the search team.
But unfortunately, one was a drug dealer and the other was a former front-line criminal, both of them were skaters. They sent so many people to investigate, but they didn't find any trace.
In Kansai, Hattori Heiji, who had given his teacher a note of leave, drove his motorcycle towards the Nishishigaraki Plateau that Karasawa mentioned.
Although this plateau is near Kyoto, it is actually very close to Osaka where Hattori Heiji is located, basically located in the middle of the two cities.
The total distance between Osaka and Kyoto is only 50km, which is basically the distance between a county town and an urban area in Karasawa's hometown. In addition, the Nishishigaraki Plateau is located between the two places, so the distance is basically 25km.
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