After they set up the tent, three of them said they wanted to go dig some wild vegetables to eat, and asked two people to go to the lake to fetch water so that they could wash the vegetables later.
Taking advantage of the time when the others were separated, Tang Ze looked at Xiyuan Xiazi and asked, "By the way, who among the three of them do you think has the greatest motive to commit a crime?"
"All three of them should have motives."
Upon hearing this, Natsuko Nishizono said, "My brother works in biotechnology. His job is to research how to extract ethanol from corn as a new fuel for cars.
So my brother has been researching how to extract large amounts of ethanol from corn.
Because the price of gasoline has been rising, as long as cheap ethanol can be produced, it will not only benefit everyone, but also reduce exhaust gas emissions pollution.
My brother's research company had high hopes for him, but the research failed after he disappeared.
Like their brother, the three of them all majored in biotechnology in college, so it's not surprising that they covet their brother's research results."
After hearing what Natsuko Nishizono said, Tang Ze was not too surprised. After all, if it was a "classic three-choice" situation, the motivation would definitely be the same.
However, this also allowed Tang Ze to further understand the situation.
After Tang Ze told Nishizono Natsuko to only eat the food she made herself, he walked towards the lake.
To be honest, if heavy objects were added to prevent the bodies from floating, this would also be a place where corpses were dumped.
But before going up the mountain, Natsuko Nishizono showed Tang Ze the rescue records of the rescue team hired by her parents. The rescue team at that time did suspect that the body was in the lake, so they went into the water to search.
So this possibility can be ruled out.
While the two were talking, they had already arrived at the river. Natsuko Nishizono squatted down with the water-filling tool to scoop water.
But at this moment, Tang Ze suddenly noticed a glittering silk thread under the bridge next to the river bank, hanging down towards the river.
Tang Ze instinctively felt an inexplicable danger coming, and immediately pulled Nishizono Natsuko back behind him.
The next moment, there was a crackling sound of electricity, and Natsuko Nishizono's originally puzzled expression instantly turned into horror.
"What's going on..."
Natsuko Nishizono looked at the fish that had been electrocuted and floated up in the river, her face filled with fear and trepidation: "Was it an accident..."
"No, I'm afraid it wasn't an accident."
Tang Ze looked at the scene in front of him and couldn't help but narrow his eyes: "I'm afraid the murderer doesn't want us to continue investigating the hidden hand."
"No way..." Natsuko Nishizono said in horror.
"This murderer is very dangerous." Tang Ze said with a serious expression.
He has also experienced many cases, but during the investigation process, the suspects were all honestly thinking about how to get away with it, and none of them would resort to dirty tricks.
The brutal criminals are brutal in public. It is rare to find such vicious criminals who secretly commit crimes during the investigation of a case.
However, although Tang Ze's expression was solemn, he was not overly worried.
Because the success rate of a sneak attack is the highest the first time. If it fails the first time, it will be easier to discover the traps later with more precautions.
The situation is the same now. Since Tang Ze discovered the trap the first time and realized that the murderer had murderous intentions towards them, he naturally took precautions afterwards.
"Then what should we do..." Natsuko Nishizono's face was filled with shock and fear, and her face was full of panic.
"It's okay. He didn't succeed the first time. If he wants to do it again, it will definitely be at night."
Tang Ze said, "It's still early, just getting dark, they definitely won't rest so soon.
While they are all awake, the prisoner certainly won't dare to take action, so I'll take this opportunity to rest.
I'll keep watch at night, and maybe I can catch the murderer directly."
"Is this...really possible?" Natsuko Nishizono said still a little uneasy.
"Don't worry, this is a good thing, isn't it?"
Tang Ze smiled and said, "From another perspective, it at least proves that the murderer is indeed among the three of them.
Now all we have to do is find the murderer and then find your brother."
"I see!"
Hearing Tang Ze's words, Xiyuan Natsuko calmed down, with a firm look in her eyes: "Then I'll leave it to you, Detective Tang Ze!"
"Well, don't worry." Tang Ze smiled and said, "I've experienced more thrilling situations. Just don't panic and follow my instructions."
"I understand. It's a good thing you didn't let Ayako come with you." Natsuko Nishizono said this with great relief, and at the same time she admired Tang Ze's foresight.
"It was just a precaution at the time."
Tang Ze shook his head and said, "After all, her coming along won't help much. On the contrary, it will make me too busy to fully guarantee the safety of both of you.
Now it seems that it was right not to let her come with me."
"I hope we can find the criminal as soon as possible." Natsuko Nishizono took a deep breath and forced herself to calm down so that she could face the three people next.
She still needs to pretend to be submissive now, and she can't appear too flustered to let others notice something.
Otherwise, if the murderer is frightened and knows that the two of them think this is not an accident but a deliberate crime, he will become alert and hesitate.
If the criminal doesn't take action later, it will disrupt Tang Ze's plan.
So she had to adjust her mentality and treat it as an accident to avoid being noticed by the murderer.
After the two of them finished discussing the matter, Tang Ze took Natsuko Nishizono to find the administrator on the mountain and told him about the electric leakage.
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