It's a new day, the sky is clear, the wind is smooth, but it's a pity that the mood of the water moon is not very sunny, not only because there is work to do today, but also because I see people who don't look like they've seen.

That's right, Mizuma saw Conan at the scene of the crime again, well, the Maori family is here.

The deceased, Yoshiki Shinide, was a doctor who opened a clinic in his home, and today Kogoro Mori seems to have brought his family to see a doctor. I don't know if I read it or not, anyway, I was killed by Conanke.

The cause of death was an electric shock, when the deceased was taking a bath in the bathtub, the power went out halfway, and then when the call came, the deceased had already been found dead in the bathtub, Conan and Mori Kogoro found a razor connected to the charging cable in the bathtub.

Yoshiaki Shinide's son, who is also a doctor, immediately performed cardiac resuscitation and other first aid measures for the deceased, but failed to save his father.

Mizuma Yue glanced at Conan casually, and then gestured with her eyes to Mao Lilan, Mao Lilan had already taken Conan out with interest at this time in the previous case.

Putting on gloves, Mizuma took the electric razor with a little black mark from the hands of the forensics, gently pushed the button of the razor, and the razor began to work, and there was a rattling sound accompanied by a mushy smell, it seems that there was indeed a short circuit, and there was a little malfunction.

"I feel that listening to the sound is quite sufficient, does the deceased really need to use it while charging? Was it electrocuted or wrestled?"

"The cause of death must be electrocution! You see there's still an electric spot here!" the voice of a stinky imp sounded at the feet of the moon in the water.

Hmm?Why is Conan still here?Didn't Mao Lilan take him away?Mizuma Yue was stunned for a moment, and subconsciously glanced at Mao Lilan first.

Unexpectedly, Mao Lilan stared at the deceased's son, Shinide Zhiming, and didn't notice this side at all.

"Just talk a lot, get out of here and don't make trouble. Before Mizuma could throw Conan out in person, Uncle Mori punched Conan on the head and kicked him out.

"I'm sorry, Officer Mizuma, I usually don't discipline this kid enough, and I'm naughty again. After kicking Conan, Uncle Maori turned around and sneered and played a round game, and did not forget to tell his daughter: "Xiaolan!

However, in front of him was Mizumatsuki's expressionless face, "Is it okay to trouble Mr. Mori to leave the scene too? ”

"Uh...... All right. ”

Sending the detective away, Mizuma took a closer look at the electric spot on the deceased's calf mentioned by Conan.

Plaque formation is a special skin lesion that occurs when an electric current passes through intact skin when a charged conductor comes into contact with the skin. To put it bluntly, it is similar to a burn, but it is not quite the same as a burn. Because it reflects the shape of the contact part between the conductor and the human body, and the contact surface of the conductor, that is, the shape of the murder weapon, can be inferred, so Mizuma Moon specifically grasped this and talked about it with the forensics department and the coroner's department.

However, Mizuma vaguely remembers that when the skin is soaked in charged water, due to the small resistance of the skin, coupled with the large contact surface of the conductor and the short contact time, the typical current spots are generally not formed, and only simple skin burns, epidermal peeling and subcutaneous hemorrhage and other changes occur, and sometimes even no changes. Is it a coincidence that there are electric spots on Yoshiki Shinide's calves or is there some hidden secret? Mizuma Yue subconsciously glanced at the door, and said in his heart that there must be a secret in the presence of Conan.

Of course, even if there were no electric spots, the cause of death of the deceased could have been easily determined by forensic examination: electric shock.

The reason for the formation of electric spots is also easy to explain: it is not easy to form electric spots in the case of a short electric shock time, but according to Mori Kogoro, the razor was soaked in water until they went into the bathroom to find the deceased, and the deceased was in an electrocution situation during this period.

So the circuit should be installed with a circuit breaker! Mizuma Moon silently criticized in her heart, and one of the major renovations of the Metropolitan Police Department's circuit last month was to replace the original circuit breaker with an air circuit breaker.

However, although the government has been encouraging citizens to install circuit breakers in their home circuits, there are still many families like the new monks who have no protection measures.

Of course, this assumption is only based on the case of accidental electrocution, if someone deliberately did it......

After half a ring, Mizuma Yue rubbed his eyebrows, this case was a bit tricky, and he had a feeling of being at a loss. It is said that there is nothing to see in the case at this point, and the next thing is nothing more than to investigate the scene, analyze some suspicious traces, or expand the scope of the search, but this time, Shui Jianyue has some bad feelings in her heart, feeling that the investigation is meaningless, there is no point in looking for clues, and there is something more important to do. To put it more vividly, the situation of Mizumatsuki is that it feels boring to handle the case, but what did you want to do before is not what it is now.

Draining the distracting thoughts in his heart, in order to find something to do for himself, Mizuma Yue sorted out the relationship between everyone present and the deceased, and saw if anyone had a motive for committing the crime.

First of all, pick acquaintances, start with Maori Kogoro, first of all, he is a senior in the police world, familiar with the process, and everyone is more familiar, Maori Kogoro can also make everything that should be said clearly to give others behind him a good start, which is equivalent to playing an exemplary role for the people behind.

It took some time for Mizuma to figure out the situation before and after.

The deceased, Yoshiaki Niide, was the center of family relations and the master of the family, and had a son, Tomoaki Niide, and both of them were engaged in medicine, Yoshiaki Niide ran the family-style private clinic, and Tomoaki Niide was the school doctor at Teidan High School, but with his status as the first graduate of Tokyo Medical University, being a school doctor should be a preparation for taking over Yoshiaki Shinide's clinic, but this does not constitute a motive for killing, after all, the clinic has not yet achieved the interests that make people who can't wait and take risks.

The hostess, Yoko Shinide, is the stepwife of Yoshiki Shinide, that is, the stepmother of Tomoaki Shinide. It's the best friend of Shinide Chiaki's biological mother, Shinide Chijing, and Qianjing married to Shin Monastery not long after her death, but the relationship with Shinide Chiaki and Shinde Chijing's mother, Shin Izumi, is quite harmonious, and there are no fierce conflicts, but he has a lot of opinions about Shinide Yoshiki's inappropriate life and maintaining an improper relationship with most female patients - as long as it's a wife, she will have an opinion, and it may not necessarily constitute a motive for murder.

Shinide San, Shinide Qianjing's mother, is not particularly welcome to Shinide Yoshiki, and it is unclear whether it constitutes a motive for the killing.

Bao Benguang, a new monk helper, is characterized by clumsiness, if there is any conflict with the deceased, he is often scolded for making mistakes, and today he is yelled at by the deceased that he will be kicked out if he makes mistakes again.

Mori Kogoro and his family came to get the diagnosis, and today is the second time they have seen the deceased, because the deceased respected him more and was left for dinner.

Mizuma Moon slapped the sorted information on the table, a little unwilling to read it, and felt very irritable.

Did he ignore something? Or was it because of something else? If it continued like this, would the case be solved by Conan's dead child? Mizuma Yue glanced at Conan not far away in frustration.

However, this sweep found that Conan seemed to be in the same mood as him to solve the case, staring at Mao Lilan with a blank face, Mao Lilan didn't seem to notice Conan's gaze, staring at the new Tomoaki's eyes with a fascinated light.

Mizuma has seen this kind of light, and when I was in high school, the female classmates in my class saw such light in their eyes when they saw something they liked.

Eh, is it a complex polyamorous relationship? Mizuma remembers that Detective Conan should be a detective mystery story rather than an urban soap opera, right?

Having said that, if Moriran has any complicated relationship with Shinide Chiaki, Shinide Chiaki should also be a major character in the original book, does his irritability have anything to do with him?

I don't know if it's related to the psychological effect, Mizuma Moon suddenly felt less annoyed in her heart, picked up the file and continued to look.

After watching it for a while, Shui Jianyue received the news that there were no valuable clues identified at the scene of the crime, and I don't know if it was a premonition, Shui Jianyue didn't feel strange at all.

As usual, the order to expand the search area was arranged, and Mizuma brought in a few capable generals to hold a small seminar.

The first step was to sort out "what happened", and Kenichi Nakamura gave his opinion: "First of all, there was a power outage, and during this time, the deceased's razor fell into the bathtub - actually, my personal opinion is that maybe it was just an accident, but there is no evidence that it was man-made, right?"

Noticing Mizuma's fierce gaze, Kenichi Nakamura shrunk his neck, and then said: "After the power outage, the people in the living room were the Mori family, Tomoaki Shinide, and Yoko Shinide, and they could make alibi to each other, and Mitsumi Shinide couldn't provide an abnormal certificate upstairs at that time, and Hikaru Yasumoto went down to check the electric switch at Yoko Shinide's request, and after the power supply was restored, Yoko Shinide and Hikaru Hikaru found the deceased in the bathroom together. ”

Mizuma Yue nodded, and added: "There are still some details, although the new Izumi Yoko and the new Izumi confirmed that the deceased liked to shave his beard in the bath, but the rechargeable razor is still very sufficient, and the deceased should not need to recharge it." Hikaru Homoto went to check the route to check the electric switch and didn't pass through the bathroom, and Yoko Shinide mentioned that Hikaru Yasumoto took a long time. ”

"So Miss Hikaru Yasumoto is the most suspicious?" asked the silly Wataru Takagi.

"On the contrary, the biggest suspect is Yoko Shinide. Hideki Kawasaki said.

"Huh?" Takagi was confused again.

"Because you think that Hikaru Yasumoto is suspicious, it was led by Yoko Shinide's words. Mizuma slowly explained, "It was in the dark at the time of the crime, and it couldn't be easier to forge an alibi, but the motive for the new Yoko was the greatest, and—"

Her alibi was too obvious, and there was a sense of preparedness. Hideki Kawasaki said.

"Okay, let's lock in the new Yoko and try it according to the pre-guess deduction method, and solve the first problem, the method of alibi. ”

"Pre-guess deduction method?" Takagi is a newcomer, and he hasn't received much from Mizuma Tsuki's teaching, and he subconsciously repeats it when he hears something he hasn't heard in the Criminal Police Academy.

"Oh, by the way, you came later, and I didn't teach you that. "Mizuma Moon suddenly realized.

Takagi felt uncomfortable and wanted to cry, but he had been here for almost a month......

"It's time for a review, who will talk about the content of the pre-guessing deduction method?"

"I'm coming!" Fujiwara Sakaki volunteered: "The pre-guessing method means that when there is no clear evidence with the direction of the murderer, if the number of suspects is small, you can first assume that a person is a suspect, and find out the possible hidden evidence by speculating on the person's criminal methods. ”

"The summary is very incisive, and I will give you a task to figure out why it took so long to turn on the power of Hikaru Yasumomoto. ”

"I—I'm from the forensics department, why should I go?" Fujiwara Sakaki was a little confused.

"Because you talk too much, is it a reason?" Mizuma rolled her eyes, "If you can't do it, I'll ask Takagi to be your assistant." ”

Fujiwara Sakaki was a little broken, obviously it was Mizuma Moon who asked him to talk about the pre-guessing deduction method, why did he talk too much, and he took Takagi to find Hikaru Yasumoto.

Mizuma walked to the electric switch in the kitchen and studied how the murderer managed to cut off the power at the time it was needed, to be precise, how Yoko Shinide did it.

The preliminary examination did not find any traces that were too obvious, and judging from the time, Yoko Shinide should not have had time to return to the kitchen to eliminate the traces, and Hikaru Homoto's testimony also stated that she did not notice anything special when she turned on the power.

Soon the people in the forensic class disassembled the electric switch, which was all normal ordinary lines, full of dust written in disrepair and not being done enough, so the remote control of power off or timed power off through electronic components was ruled out, that is, the timing mechanism.

Hideki Kawasaki asked whether dry ice would be used to design the mechanism, because dry ice was directly sublimated into gas and would not leave a trace, and was vetoed by Mizumatsuki, on the grounds that dry ice reserves were not easy, and the new Yoko's method should be to wait for today's opportunity to be a "witness" when someone other than his family can be a guest, and the agency should choose something that is simple and common, and will not arouse curiosity if it is seen in advance.

"What could it be?" asked Kenichi Nakamura.

"No matter what it is, standing here stupidly is absolutely useless," Mizumayue said with a hint of dissatisfaction in his tone: "Still stupid here, call a group of people from the forensic class, and focus on searching here first! No matter how subtle the trick, there must always be traces, tell them to keep a snack, or the same sentence: 'Even if you see a dead cockroach and a dead mouse, ask me if this family was killed by them!'" The words of the passage were higher pitches than the other, and the last sentence was simply a direct order to the officers of the forensic department in the whole house.

"Hey!" Kenichi Nakamura, Hideki Kawasaki, Chiba and Shin and the others were startled, and immediately scattered to carry out the order.

After the others left, Mizuma Yue pinched her chin and looked at the electric switch, a simple timer device, the most common thing in Mizuma's cases over the years was candles or ice cubes, but candle burning would produce light and candle tears, and the water stains after the ice cubes melted did not disappear as easily as the prisoner imagined.

This time, however, there were no water stains, and no paraffin vapor build-up was found nearby - there was evidence that the candle had burned.

Mizuma Yue took a portable and small high-magnification magnifying glass and carefully observed it on the electric switch, but still did not see any clues.

In fact, it is not nothing, the new monk's electric switch is embedded in a small section, so there is a small platform under the electric switch, only about one centimeter wide.

And on this platform, there are two traces that are about three centimeters together, in the shape of dots, which are the only special things that Shui Jianyue has seen, it's just ......

I took a Polaroid camera, took a photo of two small white dots, and Mizumatsuki took off her gloves without professionalism and clicked it with her fingernails a little farther away.

Mizuma was caught in a battle between heaven and man: on the one hand, he felt that such traces were too common, and there was no effective way to identify when they were left behind, and wanted to leave them alone, and on the other hand, he thought of Fujiwara Sakaki and they were often blackened by the lamp of his own criticism, and even very common traces could not be easily ignored.

However, it is one thing to teach others a lesson, but it is another thing to be able to do it yourself, and after thinking about it, Shui Jian Yue didn't want to really ask this family if they knew that there were two small points here......

Although these small dots can be seen with the naked eye, if you hadn't noticed them with a magnifying glass before, even Mizuma Moon herself wouldn't have noticed them, not to mention that this kind of trace would disappear with just a light wipe of your hand or something else, and it felt like asking about this trace made you want to ask, "Do you know that these two dusts have fallen here?"

Inexplicably, Mizuma Moon suddenly felt that if it was Conan's words, maybe he would drag the skirt of a certain young lady to ask such a "stupid question" without hesitation.

Strange?Why did the skirt?Mizuma Tsuki's mind suddenly jumped out of the boundless territory, and it seemed that in his memory in his previous life, he often saw Conan behave like this?

On the other side, Fujiwara Sakaki stubbornly went to find Hikaru Yasumoto, followed by Wataru Takagi.

Taking a deep breath, Fujiwara Sakaki said, "Miss Yasumoto, I—Can I ask you a question?" It's just that the hesitant look and the slurred tone really don't want to be an inquiry, it's more like a young man talking to a girl, at least in the eyes of someone who is a little disrespectful.

Mori Kogoro, who was sitting in the living room waiting with the new monks, joked to Fujiwara Sakaki: "Young man, be careful when you desert at work, your Mizuma Police Department will clean you up!" He remembered that Fujiwara Sakaki was from the forensics department, and he never thought that Mizuma would send him to inquire like a nervous person.

"It's a matter of work, and Mr. Maori doesn't bother. Fujiwara Sakaki politely responded to Mori Kogoro's joke and asked Hikaru Yasumoto, "Miss Yasumoto, according to everyone, you went to the kitchen to check the electric switch for a lot longer than normal, can you explain why?" After being joking by Mori Kogoro, he was more relaxed, at least he was able to explain the problem smoothly.

Listening to Fujiwara Sakaki's question, Hikaru Yasumoto became even more nervous, and said in a slurred voice: "There's no reason, it's, it's, it's just some trivial matter anyway, and it wasn't me who killed Mr. Shinide anyway." “

Fujiwara Sakaki smiled bitterly: "No murderer will admit that he killed someone at this time, the police can't believe that you are innocent just because you say so, you can only cancel the suspicion of you if you clearly explain the reason for the delay." “

There is a kind of person who likes to hide his nervousness with a smile when he is nervous, and Fujiwara Sakaki is such a person, but this expression is really not deterrent, so that Hikaru Yasumoto still refuses to say the reason.

"It's just some private things, and it really has nothing to do with the case......

"Miss Yasumoto!" Fujiwara Sakaki's "little follower" Takagi finally couldn't help it and stood up with a straight face.

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Origami's broken thoughts: The egg hurts, I really want to finish the whole chapter of the case, but it took 5,000 words to get half of the content inexplicably...... Could it be that there has been no code word for too long?

Haven't updated in a month...... Surprisingly, not only did the collection not decrease significantly, but it also broke through the 10,000 mark on the night of the 24th, which is really a wonderful Christmas gift......

I finally finished the exam...... But it seems that I still hang, or the kind of big hanging, I guess the make-up exam can't save me......

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The following is a Baidu encyclopedia handling about current spots, and students who don't like it can skip it.

Spot of electric current, also known as imprinting of electric current, is a special skin injury caused by Joule heating and electrolysis generated at the contact site when the electric current passes through the intact skin when the charged conductor comes into contact with the skin. The thicker stratum corneum of the skin has a high electrical resistance and produces more heat when the current passes, which is prone to the formation of typical current spots. The current spots are usually one or two, but they can also be many. In one homicide case, the deceased suffered more than 50 electric injuries to his head and neck. The most common parts are fingers, palms, forearms, soles, chest, shoulders, side of the neck, calves and dorsum of feet. Current spots mostly occur when the electrode contact surface is small, and the current spot formed is most typical when the temperature generated by Joule heating is less than 120°C.

Typical current spots are generally round or oval, with a diameter of 5~10mm, gray-white or gray-yellow, hard, dry, concave in the center, slightly raised around, obtuse and rounded edges, resembling a shallow volcano, and there may be congested rings around the periphery, with clear demarcation from the surrounding tissues. The bottom is flat or fissures are present, sometimes with ash and dissolved metal debris deposited. Tubular pores are sometimes seen, and the surrounding tube walls are charred. In some cases, blisters can be formed around the current spots, which are easy to rupture, so that the epidermis is loose, wrinkled, or peeled off in flakes. Electrical edema can sometimes occur around the current plaque or in other parts of the skin, and the edema is pale. Sometimes electrical edema occurs throughout the limb.

The current spot can be as small as a needle or as large as a few centimeters or more in diameter.

The current spot has a variety of morphologies, such as furrows, strips, arcs or irregularities, and it can often reflect the shape of the contact part between the conductor and the human body, so the shape of the conductor contact surface can be inferred. If it touches the long axis of the wire, the current spot is in the shape of a line or groove, the end of the contact wire, the current spot formed is a small circle, and when the contact time is long, a small hole is further formed, a pair of damage is formed in contact with the electric plug, and the shape left by conductors such as screwdrivers and needles, which is an electric imprint or electrical imprint, which can often be used to infer the electric shock tool. However, if the power is applied for too long, the original electrical imprint may become less visible due to the expansion of the damage range. If the skin is not in complete contact with the conductor, or if the conductor has moved on the skin during the electric shock, the morphology of the current plaque will not be consistent with the shape of the conductor.

If the contact voltage is low, the environment is humid, the temperature is sweating, or barefoot or shirtless contact with the ground or live objects, or soaked in charged water, due to the small skin resistance, coupled with the large conductor contact surface, short contact time and other factors, the typical current spot will not be formed, only simple skin burns, epidermal peeling and subcutaneous hemorrhage, subcutaneous tissue texture hardening and other changes, or even no change.

Therefore, it is important to note that not all cases of electroshock death will result in significant body surface changes, and sometimes there are no significant electrical injury changes despite confirmed shock death.

The principle of electric baton injury is the dual effect of high-voltage electric shock force and thermal effect generated by arc discharge, because the current is small, it does not form alternating current spots, and can not cause human death, but sometimes it can be used as a trigger to induce the onset of potential diseases in the body and cause death. After the electric baton touches the skin, its damage form corresponds to the area of the electric baton contact, often in pairs, and the distance between the two points is the same as the distance between the electric baton contacts. At the beginning of contact, the skin is ischemic and pale, and if the contact time exceeds 30 seconds, the epidermis is red and swollen, and even necrosis, and the subcutaneous blood vessels are dilated, congested, and oozing. The higher the voltage used for electric batons, the more severe the skin damage. If the contact is kept at a certain distance from the skin, the discharge will produce an electric spark, and the skin will be severely burned. According to the experimental results of electric batons electric shock to healthy domestic dogs, electric batons cannot directly cause death, but if repeated electric shocks in a short period of time, it can lead to high excitement and then failure, life dysfunction, and even life-threatening.