In Conan, people have a brain option system.

Chapter 43 "Packaging"

"From Nishihara's perspective, if he wants to ensure that the police don't suspect him, he must do three things."

"One is to cut off the connection between the murder weapon and him."

"The second is to cut off the deceased's contact with him."

"Third, there needs to be an alibi for the time the police determine the deceased was killed."

Akikawa Sosuke compared the rope in his hand with the marks on the deceased's neck.

It was determined that this rope was the weapon that caused the victim to be strangled to death.

Because Akikawa Sosuke concluded that Nishihara Koichi did not act on impulse,

Therefore, it is impossible for Koichi Nishihara to leave any flaws in the murder weapon.

The second is his connection to the deceased.

There are only two possible relationships between this unlucky dead guy and Koichi Nishihara.

Either the relationship is extremely bad, or there is no connection at all.

In the former case, the police only need to investigate the interpersonal relationships of the deceased to suspect Koichi Nishihara.

So Akikawa Sosuke prefers the latter.

As for the last point.

Akikawa Sosuke also made a judgment by observing the dead.

That is, Nishihara Koichi wanted to use this time on stage to
More than 1800 spectators and staff on the scene created a perfect alibi for him.

After figuring out Koichi Nishihara's method of shifting the blame.

What I have to do next is to overthrow them one by one.

Then it is "packaged" into a brand new gift and returned to Koichi Nishihara.

Akikawa Sosuke discovered.

There was no rigor mortis on the body of the deceased, not even livor mortis.

The Empire Theatre relies on central air conditioning to maintain a comfortable temperature at all times.

At this temperature, livor mortis will appear on the corpse within half an hour to an hour.

Therefore, the time of death of the deceased must be within half an hour.

Akikawa Sosuke also discovered that there were new swellings and cracks on the deceased's head.

In addition, although the deceased was clearly strangled, there were no scratches on his ten fingers.

Akikawa Sosuke therefore concluded that the deceased was probably also unconscious from a severe blow to the head.
Afterwards, after Nishihara Koichi knocked himself unconscious, he was strangled to death with a hemp rope while in a coma.

"Nishihara appeared on stage in the fourth act, and I was called to the laundry room halfway through the second act."

"Considering that Nishihara will start to run into the on-site staff midway through the third act."

"That means that about half an hour from now, Nishihara will have an alibi."

"At this point, he would definitely make up a reason to send people to the laundry room to find the dead person."

"On the other hand, I was safe until he took the stage."

In Akikawa Sosuke's opinion, Koichi Nishihara's method of committing crimes was quite crude.

In addition, the marks left by strangulation did not match the posture he had planned for the crime.

Another thing is that he was worried that he would be beaten too hard and would not wake up until he was found by the police.

Therefore, he didn't control the strength of his attack very well.

This caused me to wake up very early.
This also gives me enough time to do the next thing.

Akikawa Sosuke took out the small bag that Itakura Misaki had given him earlier.

The bag contains things like mouthwash, wet wipes, and scripts.

Akikawa Sosuke carefully wiped off the remaining hemp rope fibers from the marks on the victim's neck with a wet wipe.

He also stuffed the hemp rope that was used as the murder weapon into his clothes.

As for why Akikawa Sosuke was not worried about the blood on the hemp rope getting on his clothes.

That's because when Akikawa Sosuke woke up, his clothes were already stained with the blood of the deceased.

Needless to say, this is naturally the work of Koichi Nishihara.

The clothes stained with the blood of the deceased were no different from the murder weapon. The key point was that he was the only one in the entire Imperial Theater who knew how to wear this student uniform.

Koichi Nishihara must have considered this from the beginning, so he deliberately let his clothes be stained with the blood of the deceased.

Since they would have to deal with it together later anyway, Akikawa Sosuke didn't care about the blood on the hemp rope.

Akikawa Sosuke took out the script of the stage play from his bag.

Using the pages of the script, the tips of the ten fingers of the deceased were cut.

After doing all this, Akikawa Sosuke suddenly made an additional discovery when examining the inside of the deceased's mouth.

There was a lot of blood in the deceased's mouth.

Akikawa Sosuke tilted the dead man's head and poured out the blood from his mouth.

Then Akikawa Sosuke discovered that there was a large wound on the deceased's tongue.

At the same time, the muscles inside the deceased's mouth showed signs of contraction and spasm.

This shows that the deceased's tongue was injured while he was alive.

After figuring this out, Akikawa Sosuke held the dead man's head and kicked him at the angle and body of his jaw.

Originally, Akikawa Sosuke's strength was not enough to break the jaw angle of an adult male.

Not to mention the mandibular body which is thicker than the mandibular angle.

But for Akikawa Sosuke, who has mastered professional fighting skills, it is not difficult to accurately kick someone's jaw angle off with the help of the hard-soled leather shoes on his feet.

When Akikawa Sosuke attacked the mandible, he aimed at the concave area in the center of the jawbone.

This is a vulnerable area of ​​the mandibular body.

So it was easy to break the deceased's jaw.

In this way, the deceased's mouth is basically separated from the body.

With the help of the deceased's upper and lower gums, Akikawa Sosuke cut off the deceased's tongue from the wound on his tongue.

Then, before the blood gushed out, he closed the dead man's mouth again.

Also.

Akikawa Sosuke also found two types of laundry detergent in the laundry room, one for sensitive skin and the other for non-sensitive skin.
He then took some non-sensitive skin laundry detergent and put it in his bag.

Then Akikawa Sosuke returned to the deceased and squeezed the crack on the deceased's head, causing blood to gush out.

He stretched out his hand and let the blood from the dead man's mouth flow onto the ground and stain his palm.

This is the end.

The disposal of the deceased's body has been completed.

Akikawa Sosuke walked to the switch of the central air conditioner in the room and turned off the central air conditioner that had been maintaining a comfortable temperature through a wet wipe.

Then he grabbed the door handle inside the laundry room with his hand stained with the dead man's blood.

Open the laundry room door.
After confirming that there was no one there, Akikawa Sosuke opened the door and walked out.

He ignored the inside door handle that had his bloody fingerprints on it.

But he wiped the door handle on the outside of the laundry room door with a wet wipe.

Akikawa Sosuke opened the door of the laundry room wide and then came to the room next to the laundry room where clothes, wigs and other props were stored.

After opening the door through his sleeves, he took out a long black wig.

After Akikawa Sosuke smeared the dead man's blood on it with his bloody hands, he also stuffed it into his clothes.

Then Akikawa Sosuke came to the nearby bathroom.

After confirming that there was no one inside, he went into the toilet cubicle and closed the door.

He took off his clothes that were stained with the blood of the deceased, and took out the wig and rope inside.

The rope chosen by Koichi Nishihara is a two-strand hemp rope, which is weaker than nylon rope and lacks elasticity.

This traditional natural fiber rope has good water absorption.

However, the strength will also weaken accordingly due to water absorption.

Akikawa Sosuke kept the front end of the hemp rope and soaked the rest of it in the water in the toilet.

After taking it out again, you can feel that the hemp rope has become heavier due to absorbing water.

Then Akikawa Sosuke used his fingertips to separate the two strands of the hemp rope that had not been soaked in water.

Then he bit one of the strands with his teeth and pinched the other with his fingers.

As Akikawa Sosuke exerted force with his head and hands at the same time, the two strands of hemp rope were immediately separated.

The purpose of this step is to effectively reduce the volume of the hemp rope and prevent it from clogging the toilet when it is flushed into the sewer.

After dealing with the two ropes that served as the murder weapon.

Akikawa Sosuke took off his clothes again and soaked the clothes stained with the blood of the deceased into the water in the toilet. At the same time, he also poured the laundry detergent he got from the laundry room into the toilet.

Now is the most important step.

He needed to get rid of the remaining blood of the dead on his body.

Cold water can prevent the protein in the blood from coagulating, while laundry detergent for non-sensitive skin contains protease that can break down the protein in the blood.

A few moments.

Akikawa Sosuke washed the blood off his clothes by rubbing them.

But just doing this is not enough.

Because although proteases can break down proteins in the blood, they have little effect on DNA.

In order to be absolutely safe, Akikawa Sosuke needs to ensure that no DNA of the deceased can be detected on his body.

This step requires the help of another prop——

3% or higher concentration hydrogen peroxide solution.

In addition to special purchases,
Only some household disinfectants, oral rinses, whitening products, and contact lens solutions may contain hydrogen peroxide.

But these things are different from laundry detergent, and they are not something that I can find everywhere in the theater at this moment.

but--

"Thank you very much, Ms. Itakura."

Akikawa Sosuke thought in his heart,

Then she lowered her head to look at the mouthwash lying quietly in her bag, which was prepared for her by her agent, Miss Itakura Misaki.

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(End of this chapter)