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Qiao Rao just listened to the conversation between the two, a little dazy and foggy, just looking at their expressions, he could know that well-kept clues didn't play a big role.

Lao Li looked at Qiao Zhen's expectant eyes, and nodded helplessly: "I thought about investigating this detail at that time. Generally speaking, in the on-site investigation, we will directly observe the original with the help of magnifying glasses and other instruments for particularly doubtful trace details. ”

"But the conditions didn't allow that?"

"Yes, it is even more difficult in terms of hardware support and software manpower support."

"That's why you took so many detailed photos for later analysis?"

Lao Li nodded, and while calling up more photos, he pointed to a few of them and said: "However, this method obviously does not work, in this case, the photos are still taken in local details, it is difficult to form a comprehensive and intuitive sense of the scene, and it is too difficult to rely entirely on photos for analysis." What's more, I think there may have been a deviation when the original object was inspected on site. ”

Qiao Rao was just alone by the window, spitting clouds and mist, looking at the two of them from time to time. Joe Zhen's eyes were focused, and he could see that her brain was racing. This is her daughter, and every time after this constant concentration, she always seems to surprise him, albeit sometimes with a fright. I wonder if this time, will there be some gains?

"Is their database complete?"

"At that time, I compared the personal file database of the other party's highest authority, and there was no corresponding person. I also sent the palm prints spliced together by the analysis samples back to China at the same time, and after investigation, no objects were found. If it weren't for the fact that he had evaporated from the world, or maybe he was a third-country national, it was just my conjecture. ”

"Lao Li, if you exclude these analysis samples and conclusions, your intuition tells you what the real situation may be?" Qiao Rao just asked.

Lao Li made a mistake and froze in place, as if he was seriously thinking about how to answer.

"Dad, your question is too embarrassing Uncle Li. When we do trace analysis, we hear the words 'intuition' and 'possibility', and our heads get dizzy. Preconceived ideas, often the wrong start, are taboo in thinking. ”

Lao Li smiled: "Old Qiao, it's still your daughter who said the common problem of our business." I can't answer that question. ”

Qiao Rao had just exhaled a long smoke ring and extinguished the fire, so he was busy with the matter at hand and no longer mixed with the research of the two of them.

"Uncle Li, have you noticed the difference between these two photos?" Qiao Zhen asked, pointing to one of them.

"Which two?" Lao Li put on his presbyopia eyes and looked at it carefully.

After Qiao Zhen obtained permission, he used a USB flash drive to import the photos to the public computer, printed out a few pictures with the highest quality color rendering effect, pointed to two of them and said: "You see, although these two photos are the same part, the first one is taken in the original picture, and this one is obviously the second shot after being treated with powder." ”

"I remember, at that time, I just reshot it to eliminate the interference of light and shadow."

"You wait a minute, I'll get down," Qiao Zhen brought an instrument from next door, adjusted the clarity after aligning the part, observed it carefully for a while, and greeted Lao Li excitedly, "Uncle Li, come and see, what is the crack interface of the glass?" ”

Lao Li paced over suspiciously, took off his eyes, and leaned on the instrument: "The clarity of feces is really high now, and we didn't have such good guys at that time." Isn't this a trace of a fingerprint junction? ”

"How did you analyze and deduce it at the time?"

Lao Li opened a document, read it, and recalled: "The other party's forensic technology experts believe that the glass fracture has formed a separation phenomenon, and through artificial splicing, the palm print of the fragment finally forms a complete fragment palm print." ”

"I believe Uncle Li, you must have a different opinion. In my opinion, it is likely that this is not a broken palm print, but a misinterpretation of the fingerprint that has been displaced many times in parallel as a separate phenomenon, and this misreading has a reason, because the junction of the fingerprint lines happens to be at the junction of the glass cracks, which can easily lead to confusion. ”

"According to what you say, it is equivalent to the preconceived ideas of the technicians, artificially splicing, so it is impossible to find the corresponding suspect in the palm print formed, because there is no such a palm print in fact?" Although Qiao Zhen only said a few words, the knowledgeable old Li was shocked, and he felt a sense of empowerment. That way, everything makes sense.

Qiao Zhen smiled knowingly, and sure enough, Uncle Li understood what he was talking about.

Lao Li suddenly realized, sighed at Qiao Raogang, walked quickly to Qiao Raogang, photographed the materials on his desktop, and let him listen to himself: "The future is terrible, the future is terrible." Now I've finally straightened it out. ”

Qiao Rao just expected that Qiao Zhen would not be modest, so he rushed to be polite before she spoke: "Where, where, this is nothing more than a bystander." How, sounds eyebrow-raising? ”

"With Qiao Zhen's judgment just now, coupled with her skills, I believe that there will be an answer soon, whether the suspect can be found or not, at least this clue can be poured in, and it will be a matter of concern for me for many years."

Qiao Rao just glanced at Qiao Zhen suspiciously, Qiao Zhen knew that he had never listened carefully to their conversation just now, so he patiently explained: "If Uncle Li thinks that my analysis is tenable, then, this trace is not a palm print, but a fingerprint. It's just that the position of this fingerprint panning is relatively coincidental, and Uncle Li just grasped the key features. Now, based on this information, I can still use the more advanced equipment at hand to restore the prototype of this fingerprint, and have a correct analysis conclusion for this trace. ”

The fingerprint comparison was successful that night, and the suspect they wanted to arrest was Shi Yaohua, a man who had just returned to China. Combined with other clues, if the interrogation is successful, it is only a matter of time before he confesses his guilt, and Qiao Zhen is confident about his father in this regard. He may never have imagined that a net that had been covered for more than ten years would finally suddenly fall from the sky on an unexpected day.

When Qiao Zhen saw Shi Yaohua in the immigration hall, he almost didn't recognize him. Compared with the man on the document, he was almost two generations, his hair was white, and there was a gloom that could not be concealed in the folds of his face. Judging from the information they had, his housing conditions and the financial situation of his family had not improved much, and the pros and cons of treading carefully were obvious, at least until this day, he was still free to move between the two countries, although he did not dare to contact his family again.

Qiao Zhen and Qiao Rao just slowly approached him from both ends, until when he walked to the window, Qiao Zhen rushed up with an arrow step, cut his hands back, Qiao Rao just grabbed his collar and lifted him up, at that moment, the whole hall was boiling, and everyone's eyes were focused on these three people.

Shi Yaohua was obviously stunned and did not resist at all. He had been informed the day before that there was a problem with his visa and asked him to come here for routine formalities, and the bird that had been frightened for many years was still negligent at that moment. The father and daughter handcuffed him, and when the tearful uncle-in-law staggered up to him, he immediately recognized his uncle-in-law and seemed to understand why it had happened.

"So many years." The uncle-in-law clenched his fists and controlled not knocking him to the ground, but just choked up and asked word by word, "After so many years, are you really at ease?" ”

Shi Yaohua's face was frightened, and he was speechless for a while. Yes, for so many years, thousands of days and nights. Many years ago, in a foreign country, he was a newcomer who was burdened with the hopes of his relatives, and he once thought that being dismissed and losing his source of life was the most terrible thing. It didn't take long for him to follow his fox friends among the Chinese to blend into the local community, drinking, gambling, playing with guns, and robbing without any scruples, until he committed a murder. Years later, he realized that living in a life of nightmares, incognito, and isolation from his family for more than ten years was even more desperate.

Qiao Rao just patted him on the shoulder and told him to take care and go home first and wait for news. The father and daughter thanked the immigration assistants, greeted each other, and prepared to leave, preparing to escort "Please." The uncle-in-law whispered to Qiao Raogang, and the other party also had red eyes and nodded solemnly.

Qiao Zhen turned his face away and secretly wiped away his tears, they waited for this moment, they waited too long, from the prime of life to old age, they all thought that they would never see this scene again.