Kudo Shinichi looked at him and his expression turned serious.
He also wanted to hear what reasoning Sakaki Makoto would come up with.
"To make it easier to understand, I will talk about it in chronological order, starting from the first prisoner."
Makoto Sakaki took out a small bottle from the evidence bag with methadone hydrochloride written on it.
"Around five o'clock this afternoon, Mr. Kawasaki came to Takizawa Akira's room with heroin and handed it to him."
"Because they are both drug friends, Mr. Kawasaki has always had a good relationship with Akira Takizawa, and they used to get together to take drugs."
"Since Takizawa Akira's drug use was exposed, Ishikawa-san strictly ordered him to quit drugs and monitored him for a long time."
"During this period, Takizawa Akira has been relying on methadone hydrochloride prescribed by the hospital to fight his drug addiction."
"That is the liquid in this bottle."
Makoto Sakaki raised the bottle a little higher so that everyone could see the words written on the bottle. It was indeed methadone hydrochloride.
But now the bottle is empty.
"The so-called methadone hydrochloride has similar effects to morphine, has analgesic effects, and can produce effects such as respiratory depression, miosis, and sedation."
“At the same time, it can also be used to help with drug addiction.”
"Depending on the severity of the addiction, taking a small amount of methadone hydrochloride every day for a period of time can help you quit heroin."
Mao Lilan asked doubtfully:
"If you can get rid of your drug addiction, why doesn't Takizawa Akira continue to take the medication?"
“This should be a good thing.”
Sakaki Makoto sighed and said sadly, "It would be a good thing if we could get rid of our drug addiction, but the problem is that once the dosage of methadone hydrochloride decreases, the drug addiction will rise again, and we may even experience withdrawal symptoms."
There were also several pieces of paper in the evidence bag, which were prescriptions issued by the hospital.
Sakaki asked Detective Tomi to show the prescription to everyone and added:
"Based on the amount of methadone prescribed by the hospital, we can know that the hospital is deliberately reducing the amount of methadone that Takizawa Akira is taking."
"And the prescription date on this bottle of medicine is yesterday, and the medication should be used for a day and a half."
"That is to say, Takizawa Akira had just taken methadone this morning, but did not go to get the medicine in the afternoon."
"He was already in the drug reduction period, and he did not take the medicine on time, which caused Takizawa Akira to have withdrawal symptoms and his drug addiction became unbearable."
"So Akira Takizawa asked Mr. Kawasaki to bring heroin to him, and they had a good time in the room."
"But what he didn't expect was that his drug buddy, Mr. Kawasaki, was here to kill him this time."
Sakaki Makoto gave an unfathomable smile and placed the bottle in front of Kawasaki Soun, whose face changed slightly.
"And it was a perfect kill."
"You...what are you talking about? I, I don't understand..."
Kawasaki Soun avoided his gaze and hesitated, not daring to look at Sakaki Makoto.
Including other people, they all looked confused.
How is this a perfect murder?
Didn’t Mr. Kawasaki not do anything?
Could it be that Mr. Kawasaki was the one who hung up Takizawa Akira's body?
Countless doubts arose in everyone's mind, waiting for Sakaki Makoto's answer.
Sakaki Makoto did not disappoint them and quickly gave the answer.
"Inspector Megure just said that the chemical composition of heroin is diacetylmorphine, which is the same as methadone and belongs to the morphine class of drugs."
"If you take heroin again while taking methadone, it can easily lead to an overdose and death."
"And it is precisely because you, Mr. Kawasaki, knew this that you took the heroin to find Takizawa Akira."
"Luckily, Takizawa Akira was in the period of reducing his medication dosage. Today's medication was only half of the usual amount. Because he had to receive guests in the evening, he did not use intravenous injection, but the hot inhalation method. Therefore, the amount of medication he ingested was not huge, and he survived by chance."
Before he finished speaking, Kawasaki Soun immediately became panicked.
"You're talking nonsense!"
“I don’t even know what methadone is!”
Sure enough, he is still quibbling.
He is not aware of his imminent death. It really makes me feel happy to destroy him....
Sakaki Makoto never shows mercy to such vicious criminals.
Sakaki Makoto laughed and pointed at the prescription in Detective Tomi's hand and said, "Since you don't know what methadone is, then you must have never taken it, right?"
"What do you mean...."
Kawasaki Soun's momentum weakened.
"Prescription drugs like methadone can only be consumed on the spot."
"And in Takizawa Akira's room, there was a bottle that had contained methadone."
"It means someone got the methadone out through special means."
"If the police sent someone to the hospital to find out who received the methadone based on the prescription number, what do you think would happen?"
"Will we find your name, Kawasaki Soun, on the hospital receipt?"
Kawasaki Soun opened his mouth, speechless.
He did help Takizawa Akira collect methadone, and more than once.
Because Takizawa Akira was a popular gigolo and had little time to go to the hospital every day, he was the one who took his place.
Just a few days ago, he discovered that the hospital's prescriptions began to reduce the dosage of Takizawa Akira's medication. As a frequent visitor to the hospital, he naturally knew that this would rekindle Takizawa Akira's drug addiction.
So he planned this perfect murder.
But he never expected that the perfect murder case would be ruined by Minamoto Shigeharu.
If Minamoto Shigeharu had not done so much, he would not have failed.
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