"Nani! Nani! What happened?! What happened?"
"Why do I hear someone screaming..."
"Really... can you please stop making trouble? I have to hand in my paper tomorrow..."
Accompanied by a shrill scream outside the apartment, the people who had just returned to their rooms came out again.
After all, the screams outside were so loud, and they were afraid that some accident might have happened at the door.
Naturally, Mr. Otonashi, Kogoro Mori and others on the second floor also heard the sound, but when they looked out from the second floor, they did not see any human figure.
"It seems... it's coming from the suspended building opposite the apartment..." Xiaolan said uncertainly while lying outside the window.
"Go out and take a look!" Conan's expression became serious. Thinking of Tang Ze going out, he seemed to realize something and quickly got up and ran out.
Led by Conan, Mouri and Kogoro also ran downstairs.
When a group of people appeared at the door of the apartment, they saw Tang Ze walking over with a man with a bruised face and nose. His right arm was obviously hanging there, obviously dislocated.
Obviously, the scream before was caused by Tang Ze removing the arm of the man in front of him.
When they got closer, everyone saw the scar on the other person's face and unconsciously turned their heads to look at the wanted poster posted on the telephone pole nearby.
"This...he, he is..."
"That wanted criminal who killed people... and burned corpses!!"
Although the man being held by Tang Ze had bruises all over his face, his conspicuous scars and evil-looking face made him immediately recognized by everyone when they got closer.
"How could this be... Detective Tangze, how come this fugitive is here?" Xiaolan asked in confusion.
"That red glow from the building across the street is from this guy smoking, and the blue figure is from the portable TV someone took over."
Tang Ze glanced at the group with a playful expression, "Considering all the circumstances, the other guy who wasn't seen by the witnesses is also here right now."
"What...!!"
"You said there's a criminal among us!?"
"How is this possible? Who is it!?"
After hearing Tang Ze's words, several people's expressions changed drastically. No one could have imagined that they had lived in the same apartment with a murderer for four years.
This is such a terrifying thing that my scalp tingles just thinking about it.
"So, are you going to ask me to save you some trouble, or are you going to ask me to find your accomplice to accompany you?"
Tang Ze looked at the man in front of him and smiled, "Think carefully. If you can point out your accomplices, then it will be considered meritorious service. I will report the truth and you can get a lighter sentence."
"Hmph..." After hearing Tang Ze's words, the other party snorted disdainfully and turned his head to the side, obviously not intending to cooperate.
"Oh? That's fine, I'll take this opportunity to solve the mystery of this haunted house and your accomplices all at once."
"Accomplice? Haunted house?!" Maori Kogoro turned his head and looked at the four residents of the apartment building. "Are you saying this haunted house was created by an unknown murderer?!"
"That's right." Tang Ze smiled and said, "We've already explained the principle behind the sudden appearance of a female ghost on TV. It can be easily fixed with a remote control. Other phenomena are similar."
"What's with that bright red blood?" Mudan Luyan asked puzzledly, "I saw it with my own eyes. The water in the tank wasn't even a speck of red."
"It's a very simple principle. I don't know if you smell it, but there's a strong smell of ammonia in the bathroom, and a faint smell of alcohol in the toilet tank."
Tang Ze smiled and said, "This is an experiment that even elementary school students can do."
"Ah, I know!" Conan began to steal the show in a baby voice, "If you mix alkaline ammonia water with alcohol containing dissolved phenolphthalein, it will turn red!"
"So, if you add alcohol containing phenolphthalein to the water tank, and then add ammonia to the toilet water, as soon as you flush, the two liquids will react and turn red..."
Kogoro Mouri felt a little embarrassed after hearing the answer. After all, he was scared to death by the tricks that this elementary school student could pull. This made him even more angry at the person who was playing tricks behind his back.
"Wait, I understand what you're saying, but it might not go smoothly, right?"
Mudan Luyan questioned, "The liquid from the experiment you mentioned, after mixing the two, is slightly pink. Isn't that very different from the dark red of blood? Besides, it wasn't just one person's mistake..."
"If it were during the day, it would be impossible to mistake it, but obviously there is no such good lighting conditions in this dim bathroom."
Tang Ze explained: "Plus, the rumor that this house is haunted has been circulating for a long time, which has given everyone a preconceived notion in their subconscious.
So when something strange happens, the brain immediately thinks of it as something scary, which is what we call scaring ourselves.
"But even so, urine shouldn't react chemically with the two substances you mentioned, right?"
Mudan Luyan, a graduate student, was somewhat unconvinced and said, "The ammonia in urine is acidic or neutral, not alkaline..."
"That's why we chose ammonia, which has a strong smell, as the reaction liquid."
Tang Ze nodded and said, "This is a very simple psychological problem. Sometimes we trust what we smell more than what we see.
So if ammonia is poured into the toilet in advance, the strong odor will make people suspect that the toilet is too dirty. In this case, flushing the toilet before relieving yourself will play into the criminal's hands."
"What about the ghost we saw by the window earlier?"
Yotsuya Iwao was unwilling to believe that the "ghost" he was expecting was just some simple scientific theory. He pointed to the window and said, "We all saw that ghost with our own eyes!"
"This is even simpler." Tang Ze pointed to the window and said, "The so-called ghost is just an aggregation of male moths.
They are attracted by the female moth pheromones used to repel insects outside the windows. If we stick eyes and mouths cut out of black paper on the windows, then when we see them from inside the house, they will naturally mistake them for ghosts from a distance."
The so-called pheromone is a colorless and colourless hormone used to attract the opposite sex.
As for this kind of civilian pheromone for killing insects, some other smells will be added to remind people that there is spraying, so Tang Ze easily analyzed the tricks played by the other party.
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