After so much investigation, we found that there was still no breakthrough in solving the problem.
The biggest suspect, "Arashiyama Man", who was originally suspected, is still the biggest suspect even though his identity has been confirmed.
Because of the connection between the other party and the deceased, the other party's suspicion became increasingly greater, and even became more and more detailed.
However, the suspect's amnesia is still a major problem facing them.
"This is difficult."
After sorting out the current situation, Kiyota Rina rocked her office chair and said helplessly, "Although we have found the suspect and learned about the emotional entanglement between the three people, it feels like we are stuck at the last step."
"The only way to start is with the evidence."
Upon hearing this, Ayanokouji Fumimaro felt a headache and touched the squirrel in his pocket: "But the problem is that the evidence we found at the crime scene is not enough to convict."
"In other words, the path we're taking has reached its end without any evidence." Kiyota Rina sighed, "But the path we can take is blocked by the problem of amnesia. No matter how hard we try, it's impossible to pry the memories we want from a man with amnesia..."
"No, maybe there really is."
Hearing Kiyota Rina's words, Tang Ze suddenly thought of a machine and said with a smile: "I know a machine that can discover forgotten memories in a forgotten brain. Maybe it can awaken his memory."
"Eh? What's that?" Kiyota Rina was surprised when she heard what Karasawa said. "It sounds amazing."
"Brain fingerprint test." Tang Ze said with a smile: "It's an instrument that detects brain waves."
"Brain fingerprints?" Hearing Tang Ze's words, Ayanokouji Fumimaro's face was also slightly surprised: "Even the brain has fingerprints?"
"Of course, the P300 brain wave is the true 'brain fingerprint'."
Tang Ze explained: "This kind of brain wave is the brain wave that is produced unconsciously when people see things in the past again.
Even if a person forgets his memory, as long as the image has been stored in the brain, it can be detected.
A less accurate but more intuitive description, you can think of it as déjà vu.
It's like you don't remember this thing or this scene, but your brain still feels familiar with it."
"How amazing! Can you even do something like this?" Rina Kiyota exclaimed in amazement.
"Of course, with the development of technology, many things you can't imagine can actually be done."
Tang Ze smiled and said, "This is the only direction we can try now. Even if it is retrograde amnesia, it will not disappear completely. It must remain deep in our memory.
If someone had been killed, that scene would have been deeply etched in my mind."
"What should we do?" Ayanokouji Fumimaro asked. "Also, does the Kyoto Scientific Research Institute have this machine?"
"These technological machines will be tested in Tokyo first before being rolled out nationwide."
Tang Ze thought for a moment and said, "I remember the approval process for this machine. It should have been approved by me in the spring. It should have been promoted to Kyoto."
"That's good." Ayanokouji Fumimaro nodded and looked at Tang Ze and said, "Then I'll leave it to you."
"No, no, in order to do a brain fingerprint test, we still need your help to do some preparatory work."
When Tang Ze heard that Ayanokouji Fumimaro was going to give him full authority, he quickly waved his hand and explained, "This device cannot be used to detect something just by putting it on the user; it requires the use of images.
By showing the examiner various images, if the P300 brain wave appears, it means that he has seen the previous scene or object.
In other words, I need you to prepare various pictures, including those of the crime scene, people involved in the case, and the murder weapon.
Of course, there are also photos of the actual house he painted, and in addition, there are also some unrelated pictures mixed in with each type. "
"Other photos are easier to find, but it's best if the portraits are ID photos."
Tang Ze said, "After all, whether it's the deceased or Shibata Reiko, we all have this type of pictures. Try to eliminate different external factors. Also, try to take ten of each type."
“It’s a bit like asking ‘Arashiyama Man’ to find a different feeling.”
Kiyota Rina said this with a smile and volunteered, "Leave the photos to me. I'll look for the location houses and other things online, and I'll ask the reporters at the press club upstairs for help with the portraits."
"Just collect the information and save it on a USB drive," Tang Ze instructed. "Then play it on Shibata Takaaki's computer."
"learn."
With a direction to continue the investigation, Kiyota Rina's expression became cheerful. She saluted playfully and went to do her work in a hurry.
"I'll go take Takaaki Shibata with me. Please prepare the machine." Ayanokouji Fumimaro looked at Tang Ze and said.
"no problem."
After Tang Ze agreed, he went to the instrument room of Kesouyan to prepare the equipment. Although he gave the young man a holiday, it did not mean that there was no one else.
Moreover, he has personally tried out each machine approval, so there is no obstacle in operating it.
The three of them divided the work and quickly completed the preliminary preparations. Then Tang Ze disinfected Shibata Takaaki's head and immediately put an instrument that sensed and captured brain waves on his forehead.
After the cameras were set up to film, everyone left the room, leaving only Ayanokouji Fumimaro sitting next to watch over Shibata Takaaki.
After all, Shibata Takaaki is in a state of amnesia, and they can't guarantee how he will react when he sees familiar people and things, so leaving someone to watch over him is just in case.
"Mr. Shibata, there's a monitor in front of you, right?"
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