Taking the fingerprint identification analysis report, Qin Yong carefully went through it.
Although the fingerprint identification analysis report was only three pages long, the entire process was recorded in great detail. Starting with separating the blood fingerprints into four parts, there were detailed records of each part’s identification process, and the results were all accompanied by images.
"The fingerprints are severely fragnted, and the normal identification analysis thods cannot identify the fingerprints."
It was also Lu Chuan’s first ti using this separation thod for fingerprint identification, which is a rarely used thod in identification analysis.
Not only because of the large workload but also because each separated fingerprint requires extended feature point marking. Apart from the fundantal work, it’s also necessary to ensure consistency among the four fingerprints being compared, which is very difficult.
"Fortunately, the target fingerprint has records in the system. Despite the heavy fragntation, each separated part matched successfully, indicating no issues."
After completing the fingerprint identification analysis, Lu Chuan deliberately reviewed the process of fingerprint collection from the target individual, Wang Jian.
In fact, Wang Jian was already included in the broad range of suspects after Wu Qizhou was murdered, and his fingerprints were collected at that ti.
Unfortunately, the investigators at the ti failed to match the blood fingerprints, allowing Wang Jian to escape justice.
"Good! Very good! Lu Chuan, this ti you’ve made a significant contribution!"
Lu Chuan wasn’t particularly clear about the case’s entire process, but Qin Yong was.
If Wang Jian is proven to have killed Wu Qizhou, then what about the subsequent dismbernt cases?
"I’m just doing my job, so if there’s nothing else, Captain Qin, I’ll head back first. I’ve been in the basent the past few days and am feeling dizzy; I’ll go rest for a bit."
"Sure, sure, you go ahead and rest. Put the old cases on hold for now; there’s no rush."
Lu Chuan nodded, walked backward to the door, waved goodbye, and then closed the office door.
After thinking about it, he first went to the laboratory in the Cri Scene Investigation basent to tidy up, turn off the computer, and then returned to the Cri Scene Investigation office.
Qin Yong imdiately called Cheng Zihao, who was still monitoring in Huangzhou.
"Zihao, the fingerprint matched, it’s Wang Jian!"
Matched?
On the other side, Cheng Zihao nearly thought he misheard.
The past few days’ work had been very unsatisfactory. Originally, Wang Jian was the greatest hope, but there were no clues. Fortunately, an old murder case was discovered.
But back then, the Huangzhou City authorities must have also done their best, yet it still beca a cold case.
The current clue for this case is only a single fingerprint.
In today’s world, if a cold case with fingerprints hasn’t been solved, there are two reasons.
The first possible reason is that the fingerprint is particularly difficult, so much so that not even experts in the province matched it.
The other reason is that the target individual’s fingerprints aren’t in the system, so no matter how it’s identified or analyzed, it can’t be matched.
Cheng Zihao sent the fingerprint to Qin Yong simply as a trial.
His trip to Huangzhou was actually following a lead given by Lu Chuan, which led him to Huangzhou.
Unfortunately, the lead broke.
But unexpectedly, after reaching a dead end, Haizhou City indeed succeeded in matching the fingerprint.
"Brother-in-law, thanks!"
Without saying much, Qin Yong had already sent the fingerprint identification analysis report to Cheng Zihao’s phone via mobile.
"No need to thank . Now that there is concrete evidence in your case, when it truly gets solved, don’t forget to give Lu Chuan credit."
"Haha, rest assured, brother-in-law, Teacher Lu will definitely get the top credit!"
The dismbernt case in Liangzhou City had been unsolved for three years, and the murder case of Wu Qizhou in Huangzhou City had been unresolved for seven years. Without Lu Chuan, there would be no leads for these two cases.
Now there’s hope for solving them, so of course, Lu Chuan deserves the top credit.
Moreover, based on the current intelligence, wherever Wang Jian goes, there are dismbernt cases, inevitably not a coincidence.
This guy, he’s likely a big fish!
Hanging up the phone, Cheng Zihao hurriedly put on his shoes and called Zhang Yu on Construction Road in Huangzhou City.
For Cheng Zihao, Lu Chuan’s fingerprint identification analysis report was like a stabilizing force. He originally planned to check out this afternoon and return to Liangzhou.
Now it’s settled; there’s work to do, and he doesn’t need to leave.
"Brother Zhang, I have a clue! The fingerprint matched in the Wu Qizhou murder case!"
Half an hour later.
Construction Road Police Station.
Back then, Zhang Yu was a major participant in the Wu Qizhou murder case. The root of this case is that blood fingerprint.
"Wang Jian?"
"Is it really him? But he had an alibi at the ti."
Back then, after Wang Jian’s house burned down, he and his mother moved to live with relatives.
At the ti of the cri, his relatives and mother testified that he was asleep and never left the relatives’ house.
If it’s said that his mother could give false testimony for him, it could be understood, but his relatives had neither the necessity nor the courage to provide false testimony.
But now, with the fingerprint identification analysis report here, although Zhang Yu wasn’t a detective, having worked outside tasks in the police station all his life, he could understand this.
Identification reports aren’t casually issued.
With this, it becos judicial evidence, indicating Wang Jian is the murderer.
"There are just two possibilities: either Wang Jian’s mother and relatives both lied, or he sohow fooled them."
Cheng Zihao felt rather relaxed now; this case wasn’t Liangzhou’s concern. His goal was to capture Wang Jian through it.
And then verify those dismbernt cases.
Zhang Yu nodded; indeed, those were the two possibilities. Of course, those aren’t crucial; the primary concern now is the arrest.
With the fingerprint comparison result, the murder case can be reopened.
The Huangzhou City authorities took it very seriously, imdiately forming a task force.
That night, the task force set off for Qinzhou, preparing to capture Wang Jian.
There were no trains at this hour, so to save ti, they had to drive. Fortunately, Huangzhou is not too far from Qinzhou, just over a thousand kiloters, and the entire route is via the expressway.
The task force rushed nonstop, taking about ten hours to arrive by the next morning.
The local Criminal Investigation Team had already been contacted, and Cheng Zihao also applied to join the operation.
Under normal procedures, Cheng Zihao wasn’t part of Huangzhou City’s police departnt, so participation in the operation would be impossible, but key clues were found by his team.
Not allowing participation would be inappropriate.
Moreover, Wang Jian might be linked to the dismbernt case three years ago in Liangzhou City.
The next morning, 728 Changchun Road, Happy Garden, New City District, Qinzhou.
Disregarding the weariness of the journey, the task force from Huangzhou City had already reached the neighborhood.
The local police station officers were introducing the situation: "After we got the news last night, we worked through the night to check on Wang Jian’s status. He’s currently working at Wanjie Maintenance Company, where he handles sewer maintenance. Today is his day off, and there are dorms from their company inside where he’s staying."
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