Department of Psychology News

2021.08.20 Department of Psychology News

[Faculty of Psychology] A professor majoring in criminal psychology commented on the murder case on Yomiuri TV ten.

On August 8, Professor Nakayama of the Faculty of Psychology made a recorded appearance on Yomiuri Television's evening information program ten. and commented on the murder of a female university student in Daito City.


According to the Asahi Shimbun, around 48:4 am on April 28, the suspect (7 years old) broke into the room of a female college student (3 years old) who lived on the 21rd floor of the same apartment building from the veranda downstairs. , He was killed by hitting his head with a crowbar and stabbing his thigh with a kitchen knife, leaving more than 120 wounds.Also, according to another article, the suspect had prepared a handmade weapon in which a kitchen knife was tied to the tip of a wooden stick, and glued it to the outside of the door to prevent the victim from escaping through the entrance. It is said that it was crafted to place a stopper fixed with an agent.

After the murder, the suspect returned to his room, sprinkled kerosene on it, and set himself on fire to commit suicide.In addition, the suspect was found to have acted strangely, including visiting a movie theater in his hometown shortly before the incident.

In this case, the victim's real name and photo were released almost at the same time as the incident occurred, but the suspect's name and occupation were revealed about a week later, which is also problematic from the perspective of crime reporting. Professor Nakayama pointed out from the beginning.


The police announced that they had sent the documents to the prosecution after nearly four months had passed since the incident after carefully investigating the suspect's motives, including smartphone records.If this trend continues, there is a high possibility that the suspect will not be brought to trial and will not be prosecuted because the suspect is already dead.


From a criminal psychology point of view, there are various problems with this incident, but the people involved have already died, and no new facts will be revealed.In the program, Professor Nakayama took human rights into consideration, saying, "In a normal murder, the goal is achieved by killing the victim, but in this case, the suspect's own life is already factored in. The crime script is extremely distinctive," he commented cautiously.


Makoto Nakayama, Professor, Department of Psychology, Faculty of Psychology
⇒ Faculty of Psychology page

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