Ke Xue: Shinichi and I are childhood friends.

Chapter 1215 False Alibi

After some questioning, the alibis of the three people were all reasonable.

Sato Miwako felt a little headache for a moment. She went over the three people's movements in her mind again, but still couldn't think of any opportunity to kill someone.

Finally, he looked at Yuya helplessly, with a look of help in his eyes: "Yuya-kun, what do you think of this case? It is more likely that an outsider committed the crime, right?"

Yuya shook his head: "I told you, the murderer is among these three."

The expressions of the three people changed slightly.

Miwako Sato naturally believed in Yuya, as her previous experience in solving cases had proven that his reasoning would not be wrong.

But as a police officer, she still has to take all possibilities into consideration.

So, he analyzed, "However, all three of them have reasonable alibis. If they only had about ten minutes, it's definitely not enough time to kill people back and forth."

"That's right!" Hishinuma Kosuke echoed loudly, "The three of us went out together. Even if we split up and turned back halfway to kill someone before leaving, ten minutes wouldn't be enough, right?"

"In this apartment building, it takes several minutes to take the elevator up and down. How can I possibly kill someone in time and then go shopping?"

Katsumata Mizuna and Uekusa Shoko also nodded repeatedly.

All three of them traveled light and did not carry anything that could effectively keep them warm.

Moreover, the spare key to the room was only possessed by Katsumata Mizuna and the murdered Genda Yasukiyo. In terms of time, it was impossible for the three of them to go back and kill people.

Yuya put one hand in his pocket and said calmly, "Who said ten minutes wasn't enough to go back and kill someone? If I say the murderer never left the apartment, how are you going to explain it?"

"Huh?" The three of them were confused. "How is that possible? We went out shopping!"

"But," Conan said innocently, tilting his head back, "don't we have the tools in this kitchen to make the food you bought?"

Everyone's eyes subconsciously turned to Conan, and then to the things on the stove - induction cooker, blender, toaster, two ice molds, and electric kettle.

Takagi Shigeru and Sato Miwako were very confused. They had just analyzed it and found that there was no way to prepare food with these things.

The induction cooker showed no signs of having been used, the toaster was good for toasting sliced ​​bread, and the ice cube molds were good for making ice cubes but not ice cream.

The water heater and electric kettle were broken and could not be used.

Takagi Wataru asked tentatively: "Conan, you don't mean to use a blender, do you? But the things these three people bought don't require a blender, right?"

Conan didn't answer, but just looked at Takagi Shigeru with a smile.

Takagi Wataru was even more confused: "But, the things the three of them bought, coffee, bread, and ice cream, don't require a blender, right?"

Needless to say, bread can be made into smoothies even if the ice is crushed, and it cannot be made into ice cream. As for coffee, just stirring it with a spoon is enough.

At this time, Haneda Hideyoshi spoke up: "In fact, the murderer did use a blender."

"what?"

"what?"

"real or fake?"

Everyone had different expressions, some were surprised, some were skeptical, and some were shocked.

Miwako Sato couldn't help but ask, "How do I use a blender?"

Yuya smiled slightly: "Officer Sato, have you heard of Joule's heat-work equivalent experiment?"

Sato Miwako was stunned and blinked her eyes: "What, Joules what?"

Yuya repeated word by word: "Joule's heat-work equivalent experiment."

"Oh!" Sato Miwako nodded in confusion. "So, what's that Joule equivalent of heat experiment?"

Yuya explained, "This was an experiment performed by a physicist named Joule to prove the equivalence of heat and work."

"One of the physical methods used is similar to the principle of a blender, which uses a wheel to drive the water to rotate, converting work into heat, thereby increasing the water temperature."

Yuya walked over to the stove, picked up the blender, and looked at the nameplate. "Well, this blender has quite a bit of power. I guess if I use it to blend the water, it'll only take about 5 or 6 minutes to heat the water to around 40 degrees Celsius, right?"

"Is this true?" Sato Miwako showed an expression of disbelief. Although Yuya was very sure about what he said, using a blender to heat water seemed a bit too outrageous.

The others also had skeptical expressions on their faces.

Yuya was speechless: "Officer Sato, didn't you learn physics in school?"

Sato Miwako touched her head awkwardly: "Well, it's been so long since we graduated, and I've already returned what I learned to my teacher."

Yuya shrugged. "Seeing is believing. Let's just do an experiment. However, this blender is going to be used as evidence. Officer Takagi, could you please borrow a blender from a neighbor? It doesn't have to be exactly the same, just one with similar power."

Takagi Wataru responded quickly, wrote down the data on the nameplate and went out.

After a while, Takagi Wataru ran back panting, holding a borrowed blender.

"Yuya-kun, the blender is here!"

Yuya nodded slightly, took the blender, connected it to the power cord, and then pressed the switch under everyone's gaze: "Next, it's time to witness the miracle~"

Click! The switch clicks.

The mixer started running, causing the water to make a gurgling sound.

Everyone's eyes were fixed on the blender, and their minds rose and fell with the sound of the machine.

5 minutes later.

Yuya turned off the switch and touched the wall of the blender with the back of his finger, the corner of his mouth slightly raised: "Okay, Officer Sato, come and touch it?"

Sato Miwako was stunned for a moment, a little unconvinced. She walked over and touched it, and a look of surprise suddenly appeared on her face: "The water has really become hot! Although it's far from boiling water, it's at least warm!"

Gao Mushi was shocked and quickly came over to touch it: "Really! It's amazing, how did you do that?"

Yuya lowered his eyes and said, "Joule's heat-work equivalent experiment."

"Oh oh oh!" Takagi Wataru suddenly realized and said "oh" several times in succession.

After a little thought, Sato Miwako understood and immediately turned her gaze to Hishinuma Kosuke. Among the three, only his coffee required hot water.

More importantly, the coffee others drank was not hot, but warm!

Hishinuma Kosuke's psychological quality is obviously not very good.

When Yuya was conducting the experiment, his face had already become very ugly, and now being looked at by Sato Miwako, he looked even paler.

Miwako Sato said, "Mr. Hishinuma, only your coffee requires hot water. Besides, the coffee that others drink is not hot, but warm."

"This means your alibi is no longer valid. Do you have any explanation?"

Not only is it untenable, it directly lists him as the first suspect.