Lingquan brought back the fingerprints of eight people.

Feng Shoudao, Qian Wen, Zhao Wuwei, Wang Da, Song Yanzhong, Sun Laotou, and a judicial history under Wang Da Ma Huai, and a judicial history under Song Yanzhong Shen Jimin.

Eight people, eight sheets of paper.

Each person's fingerprint is pressed individually on a piece of paper.

Chen Chaoyan used his own eyes as a medium, and after 'scanning' 80 fingerprints onto the light screen, he held up the IOU and Feng Shoudao's fingerprint card, pretending to compare fingerprints, but actually looked at the light screen.

On the light screen, the eighty fingerprints brought back by Lingquan were arranged in eight rows according to individuals. and 163 fingerprints on the 17 lines on the deed, divided into two groups, one left and one right.

Comparing them one by one, it is obviously impossible.

Chen Chaoyan extracted the 49 fingerprints that she could identify on the deed separately, and through magnification and overlapping comparison, she crossed out one of the same fingerprints first, leaving a separate 36 fingerprints.

Then.

She extracted Feng Shoudao's two thumb fingerprints, enlarged them at the same time as three of the 36 fingerprints, and overlapped them separately.

The fingerprints of Feng Shoudao's right thumb matched one of them.

Chen Chaoyan took a look, and the fingerprints on the comparison were the IOUs she was holding, and they were one of the two fingerprints she swiped out for the first time.

Although it is all the credit of the light screen, Chen Chaoyan is still very happy. took a pen and made a record on the fingerprints of the borrowed deed that were compared, and circled the thumb of his right hand on Feng Shoudao's fingerprint paper.

Later, she used the same method to compare three fingerprints with Feng Shoudao's other eight fingerprints.

One is the back of the same IOU, and the other two are the left side of the other IOU.

Exiting the light screen, holding the deed of borrowing and pretending to compare Feng Shoudao's fingerprints for a moment, after making records one by one, when Chen Chaoyan was preparing to compare Wang Da's fingerprints, Xie Xuan picked up Wang Da's fingerprints one step ahead of her. And, at the same time, he picked up the first IOU. Learning from her previous movements, she held up Wang Da's fingerprints and IOUs, and asked her in front of the sunshine that was gradually falling: "What is the method of comparing fingerprints, tell me." ”

Say a ghost.

She cheats on plug-ins.

Motioning for him to put the IOU and Wang Da's fingerprints on the table, Chen Chaoyan pointed to the upward raised striped lines in Wang Da's fingerprints, and explained: "Do you see these upward bulging striped lines?" These are called bulge lines in the fingerprint. Like this part, there are uplift lines of fractures and bifurcations, where the fracture is called the endpoint and where the bifurcation is called the bifurcation point. Endpoints and bifurcation points, commonly known as feature points. Generally, there are about 50 feature points in this central position, and if the position and direction of these feature points are the same, then it can basically be judged to be the fingerprint of the same person. ”

"Basic?" Xie Xuanji was keenly grasping the key words and asked, "Why not necessarily?" ”

"Because this is only the position and direction of the comparison, it is inevitable that there will be a chance coincidence." Chen Chaoyan explained.

"What if there is a chance that there is a chance coincidence?" Xie Xuan asked.

Of course, it is to use the connection relationship to enhance the accuracy of fingerprint recognition. However, the connection requires the use of instruments, and human labor cannot do it. But in order to frighten Xie Xuan, Chen Chaoyan forcibly searched for a business trip to the county two years earlier, and when she was handling a case in a mountain village far away from the town, she asked the same question to her trace inspection colleague, and the trace inspection colleague gave her an answer, explaining to him: "Then you have to compare the number of bulge stripes across the feature point and between other feature points." ”

Xie Xuan picked up Wang Da's fingerprints again, looked at the sunlight for a while, looked back at her, and teased quite implicitly: "It's a pity that Miss Chen doesn't learn to ride and shoot with this look." ”

Chen Chaoyan smiled and didn't answer his words.

When he returned Wang Da's fingerprints, he continued to pretend to compare the remaining fingerprints through the light screen.

The sun is fading, and the sunset is all over the sky.

When the last glimmer of light was about to fade and the night gradually crept up, Chen Chaoyan finally finished comparing all the fingerprints.

It's just—

The fingerprints on the left and right, front and back of the two IOUs are all compared. Only a few fingerprints in the middle of the deed are still lonely.

"Are you sure that the fingerprints of the people who have touched the deed of borrowing have been returned?" Xie Xuan looked at the fingerprints and asked Lingquan.

Ling Quan nodded: "I got it all back." ”

"Looking at the location of these fingerprints, they should have been left by the person who wrote the deed." Xie Xuan said eloquently, "According to the rules of the cabinet, the deed of loan is from the hand of Mr. Ledger." But, just in case...... Lingquan, you go and get Zhou Zhongcai's fingerprints. ”

These are not Zhou Zhongcai's fingerprints.

Chen Chaoyan has already used the autopsy video stored in the light screen to extract Zhou Zhongcai's fingerprints and compare them.

But she didn't stop Xie Xuan.

Waiting for Lingquan to retrieve Zhou Zhongcai's fingerprints, Chen Chaoyan still pretended to compare them, and after denying that it was his fingerprints, he asked: "What is written on the deed of borrowing is the silver hook cabinet shop, and the seal is also the seal of the silver hook cabinet shop, but how many silver hook cabinet shops are there in Luyang County?" ”

Xie Xuan first instructed Ling Quan: "Bring the token and go and bring back the shopkeeper and the bookkeeper of the Silver Hook Cabinet Workshop!" ”

After Lingquan took the order and left, he looked back at Chen Chaoyan and asked with interest: "Why is there no fingerprint of Zhou Zhongcai on the deed?" ”

"He didn't touch ......" Chen Chaoyan was halfway through his words and suddenly reacted.

Zhou Zhongcai went to the Silver Hook Cabinet to borrow money, and the Silver Hook Cabinet gave him a loan deed. According to the normal process, the deed of borrowing is in duplicate, and in addition to the seal of the silver hook cabinet, it must also have Zhou Zhongcai's fingerprint. But now this deed of loan only has the seal of the silver hook cabinet shop, and there is no fingerprint of Zhou Zhongcai. Even on the two deed of deed, his fingerprints could not be swiped.

Sweat and sebum evaporate over time, and it was seven or eight months since September and November last year, so it's normal to not be able to brush it out with powder.

However, the two IOUs were placed on the case of Zhou Zhongcai's 'suicide'.

And there are traces of ravage.

If Zhou Zhongcai ......

"If Zhou Zhongcai hasn't touched the deed, then who put it on the table?" Xie Xuan asked.

Chen Chaoyan looked at the fingerprints that had been compared, and said quietly: "Murderer." ”

Xie Xuan asked slowly: "Those overlapping fingerprints that can't be compared, can you be sure that they are a few of them?" ”

"I can't." Chen Chaoyan said, "Although they can't, they are undoubtedly the most suspicious." ”

"Since the suspicion is the greatest, then ......"

"Then ask where they were at the time of the crime and who can testify." Chen Chaoyan snatched his words, "If no one testifies for them in the location they said, then they will have to be investigated." ”

Xie Xuan said: "But you said that there are two murderers. ”

Chen Chaoyan twisted his eyebrows, "What do you mean......"

"Since there are two murderers, can they testify to each other?" Xie Xuan asked.

Chen Chaoyan calmly said: "This is unavoidable. But the murderer knew that I would use blood to solve the case, but he didn't know that I could also use fingerprints to solve the crime, plus I had already deduced his means of killing, so I could deceive him, and maybe I could catch him off guard. ”

Xie Xuan suppressed the coldness in his eyes and asked slowly, "What if you can't catch him off guard?" ”

Chen Chaoyan looked at him sharply, "What does the prince mean?" ”

Judging from the scene of the crime, the murderer's killing of Zhou Zhongcai was not a temporary intention, but a careful plan. If it weren't for Miss Chen, the process would have been perfect. But no matter what happens, the murderer is so dedicated to the process, and he must have prepared a plan to deal with the accident. After Xie Xuan glanced at her twice, his gaze fell on the begonia tree in the courtyard that had passed its flowering period, and said slowly, "Using fingerprints and murderous methods to deceive, it is naturally best to catch the murderer off guard." If you can't ......"

"Then go ahead and look into it." Chen Chaoyan said it categorically!

Xie Xuan retracted his gaze and looked at her, with a gloom in his eyes that she couldn't understand, "There are seven of them, one is the county guard of Luyang County, two are the military guards who serve in front of the county guard, one is the Luyang County Sicang who joined the army, one is the judicial army of Luyang County, two are the history of joining the army, and the remaining one is also the county guard's office." ”

Chen Chao's face was cold, and he asked faintly disappointed: "According to the meaning of the prince's words, are you going to let them go unpunished?" ”