Hearing Ogata's words, Ran walked to the open window and flipped the switch on the stereo.

Everyone's eyes are on Ogata, because at this moment the protagonist is him. Everyone's thoughts are in the inference of this case, following his every word.

"If you look closely, you will see that the books on the desk shake slightly, and the medium between my arm and the desk is formed, and in the subtle oscillation of the tongguò, the small bones will feel a low sound. This type of bass is more about generating sound pressure, causing the other ear that is not covered to receive higher audio. ”

In other words, after Mrs. Tatsumura turned on the stereo, the disc played was 'Black Sunday' as a forbidden song. And the biggest difference between this piece and other melodic rhythms, as I just explained, is that in the change of rhythm, there will be a significant rise in tone, causing the high pitch to oppress the human heart. In this confined space, the sound is concentrated, and we can see in the study that the principle of resonance with the music at the same volume is the desk used by the deceased to support his elbows and maintain a stable sitting posture. ”

The desk was subjected to a sound concussion, causing the deceased's elbow to receive the transmission of the medium, which was reflected in the ears covered by his body. The audio received by this ear creates a certain amount of bass sound pressure, while refracting high-frequency syllables in the other ear, maximizing the pressure exerted by the audio on the deceased's heart. A total of 13 ascending, each rise is tantamount to a hammer falling on the deceased's chest, causing his heart function to atrophy, cramped, tense, and finally the myocardial function under the contraction and damage of Yan zhòng, the phenomenon of sudden arrest. ”

Ogata stood up, his eyes swept over everyone's eyes, his calm expression, his lips slightly opened, and his voice swept away all the doubts and puzzles in the study.

Hattori Heiji looked at him, and when he remembered his previous contempt for him and his behavior of interrupting his autopsy, his expression couldn't help but become embarrassed.

And Kudo Shinichi finally felt relieved after hearing the final answer.

Cousin, it's him again.

Although he didn't want to admit it, he still lost to his cousin in this situation where there was almost no reason to argue with it.

Even as Shinichi Kudo, he appeared in front of him.

"But Brother Ogata, although the course of the case has changed, Mrs. Tatsumura also can't clear her name for murder." Twilight sighed and said what she thought.

He had the intention of helping the mother and daughter, but the fact was re-analyzed and interpreted after Ogata's inference. But this disc was put into the machine and played on the stereo, so there is still no way to clear her guilt.

Ogata smiled lightly when he heard Twilight's words, "The police department, as a diplomat, Tatsumura is moving for the sake of his reputation. How could such a forbidden piece be collected? Even if he has a hobby of collecting, he wouldn't put a disc like 'Black Friday' on the bright side. ”

"What do you mean?"

There was a look of surprise in Twilight's eyes, and he knew that Ogata meant something else.

Ogata said lightly: "It is inevitable that Mrs. Tatsumura will be criminally responsible, but her crime can be mitigated, because from a legal point of view, in a real sense, it is the person who gave this disc to the deceased who made this case come alive." ”

Mori Kogoro said suspiciously: "You mean that this disc did not originally belong to the deceased, but someone tried to kill him?" ”

If in this process, there is really a third person other than the deceased and Mrs. Tatsumura, then in terms of judgment, it will be completely different.

"It can be understood that way." Ogata walked to the stereo in the window, opened the machine where the disc was stored, took out the disc with the forbidden song 'Black Friday', and said, "This disc was deliberately designed by someone to let the deceased hear it." Because Black Friday, which is about eight and a half minutes before the song, is a soft and ordinary symphony, and the same is true after it. Therefore, the person who took the disc to the deceased Dacun was holding a grudge, and he obviously knew the background and information of the three forbidden songs. Copy the piece into a plate and mix it with other symphonies. I hope to use this song to curse him to die early. ”

Hearing this, Twilight nodded, "In other words, the person who gave the deceased this disc hated him for some reason." So I hoped to use a suicidal music like 'Black Friday' to curse Tatsumura to die early, but I didn't expect it to turn into a reality in the end. ”

"So who is the person who gave the deceased this disc?" Twilight's gaze never left Ogata, as he was in charge of the progress and reasoning of the entire case.

Ogata searches for the forensic doctor of the first department and overturns the reasoning of high school student detective Shinichi Kudo, which makes Twilight feel good now.

Because before he appeared, the pages of various newspapers would use the words "Detective XX" by the police to describe the cracking of a case. Although it improves the efficiency of the police in solving cases, it is disguised to the people in society that the police are incompetent and need to rely on detectives to help.

Ogata saw that Mrs. Tatsumura's face and expression had softened a lot, so he asked, "Madam, do you remember the recent period of time when you received anything like couriers and mail?" ”

"Mail?" Mrs. Tatsumura looked at Ogata gratefully, and then tried to remember.

After a long time, she replied, "I remember that the housekeeper Koike mysteriously walked into this study a few days ago with a bag of writing. At that time, I bumped into me and said that there was something to discuss with Tamura. But as far as I know, Tamura went out to meet guests at that time, and he was not in the study. ”

Hearing Mrs. Tatsumura's words, the butler Fumio Koike, who was originally ignored and stood silently in the corner, turned pale and looked at everyone's eyes in horror.

He knew that because of Mrs. Tatsumura's statement, he was now the object of suspicion in the murder case.

Fumio Koike hurriedly explained, "I was holding the bunjiàn that Mr. Tatsumura was going to deal with, and it wasn't a disc. ”

Ogata looked at the housekeeper who gave people a sense of stability at first glance, and instead of asking about the bag and disc, he changed the subject: "Mr. Koike, how did you and Mr. Tatsumura meet?" ”

Fumio Koike was stunned and looked at Ogata.

"It was more than ten years ago, when I was very young. Mr. Dacun is still the owner of this house and hired me to be the housekeeper of Dacun's house. (To be continued...)

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