Fujiwara Yuu, who arrived at the scene of the crime, quickly understood the situation with the explanation of Hattori Heiji.
Based on the temperature of the victim Tsujimura Isao's body and the lack of rigor mortis and livor mortis, it is not difficult to tell that he had been dead for no more than thirty minutes, which directly eliminates the possibility of an outsider committing the crime.
The few people who were at home at the time were undoubtedly the suspects in this case.
Hearing this, Fujiwara Yuu's expression brightened. It looked like this was a family dispute, not a workplace one. This also meant that he didn't need to deal with those high-ranking officials. It was a blessing in disguise.
Without hastily questioning the suspects, or checking the facilities in the study, Fujiwara Yuu directly squatted beside Tsujimura Isao's body and began to examine it. Hattori Heiji, who was standing by, did not forget to express his opinion:
"Brother Yingsi, I think it was definitely poisoning. Look, his lips and nails are already purple, and there's a small red spot behind his ear, probably from a needle prick. To avoid disturbing the scene, I didn't pick up the needle. It's on the carpet in front of the office chair."
As Hattori Heiji said, Tsujimura Isao must have been injected with poison, which led to his death. However, judging by his cyanosis and purple lips, it seemed that he had suffered a cardiac arrest. This made him look up at the suspects standing nearby and ask:
"Excuse me, does Mr. Tsujimura have a history of heart disease?"
"Yes, my father did have a heart disease, and he had been taking medication for it." As the victim's son, Takayoshi Tsujimura nodded, confirming that this was indeed the case. After hearing the police's question, he couldn't help but ask, "Officer, did my father die of a heart disease?"
Fujiwara Yu shook his head. He calmly reached out to touch the victim's body, trying to find any useful clues while explaining:
"No, I'm more inclined to believe someone injected Mr. Tsujimura with potassium chloride. As long as the dose reaches a certain level, it would induce cardiac arrest in even ordinary people, not to mention patients with a history of heart disease, leading to sudden death."
"Cardiac arrest? It really fits the characteristics of a corpse." Kogoro Mouri muttered to himself, holding his chin.
"Um?"
Fujiwara Yu felt that there was something in the victim's trouser pocket. After careful inspection, he found a key in the double pocket of his trousers. This surprised him. Could this case be a locked room murder case?
He stood up and walked to the window, carefully checking to make sure there were no signs of prying, and the locks on each window were locked, which meant that the door was the only way to enter and exit the study.
"Mrs. Tsujimura, may I ask how many keys there are to this study? And what was the status of the door lock when you came here?" Fujiwara Yu came in front of Tsujimura Kimie and asked.
There were no traces of tears on Tsujimura Kimie's face, and she was obviously not particularly sad about her husband's death. She replied calmly:
"When I came here, the study door was locked, and there are only two keys to this study. One is with me, and the other is with my husband. My husband doesn't like others to enter his study casually, so I didn't prepare more spare keys."
"Really? That's a bit troublesome." Fujiwara Yuu frowned as he looked at the key that Tsujimura Kimie took out. Next to the key was a keychain that matched the victim's. He looked at Hattori Heiji and said in a deep voice, "This key was found on the victim, and it was in the double pocket of his trousers."
"What?" Hattori Heiji said in disbelief with his eyes wide open.
"Hmm? Is there any problem?" Kogoro Mouri was completely unaware and asked with a confused look on his face.
After Hattori Heiji patiently explained it to Maori Kogoro, he became more certain of his thoughts. This uncle in front of him was not a famous detective at all. He must have someone behind the scenes directing him. That person must be the publicity-shy Kudo Shinichi!
Humph, this time I must find a way to catch that Kudo guy.
After hearing Kogoro Mori's question, Fujiwara Yu's expression became subtle. He had been deeply suspicious of this private detective who seemed unreliable. Now that he couldn't even figure out a basic locked-room homicide case, it was hard not to doubt how he had helped Inspector Megure solve the case before.
He thought for a while, and then thought of the news he had read two days ago. He immediately walked towards Maori Kogoro and asked in a low voice:
"Mr. Maori, after this case is over, please give me a chance to treat you to a meal. I'm quite interested in the 'World's No. 1 Night Sacrifice Case' that you solved earlier. Could you please tell me a little about it?"
"Hahaha, of course you can, but Officer Takashi, to be honest, I don't remember that case very clearly. How about changing it? For example, the kidnapping of President Tani's daughter?" Kogoro Mouri touched the back of his head embarrassedly. He really couldn't remember how he solved the case. It felt like he had slept and woke up to become a famous detective.
Fujiwara Yu raised his eyebrows. Thinking of the nickname of the man in front of him, "Sleeping Kogoro", he asked curiously:
"Mr. Maori, is it true that when you solved the case, it was just as outsiders said?"
"Maybe my mind is sharper when I'm half asleep, so I can't remember clearly when I wake up."
It sounds quite magical that a case is solved while one is asleep and one's reasoning ability is completely lost after waking up.
Fujiwara Yu looked at Mori Kogoro meaningfully, it seemed that he had some secrets.
Or is he simply playing dumb, pretending to be a bad detective, but actually being manipulated by someone behind the scenes, like the missing Kudo Shinichi? Interesting. It seems I'll need to do some research on Kogoro Mouri's social connections.
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