Yu Hagino
Murderer
1known / alleged victims
Similar offenders
TE
Tetsuo Odajima
Murderer · Japan · 2002
Tetsuo Odajima was convicted in the killings of four people and later received…
4 victims
TO
Tomoyuki Furusawa
Murderer · Japan · 2002
Tomoyuki Furusawa was sentenced to death for murdering his estranged wife’s par…
3 victims
YA
Yasuhisa Sugiura
Murderer · Japan · 2010
Yasuhisa Sugiura was 49 years old. He was an Osaka city employee in Japan’s sec…
3 victims
HI
Hiroshi Zoda
Murderer · Japan · 1999
Hiroshi Zoda, 23, attacked people at random on a Tokyo street with a knife and…
2 victims
Random profiles
Case Facts
- Gender
- male
- Country
- Japan
- Location
- Uji, Kyoto Prefecture, Japan
- Date of birth
- 1982
- Age at first offence
- 23
- Characteristics
- —
- Victim profile
- Sayano Horimoto, 12
- Method of murder
- Stabbing with knife
- Date(s) of murder
- December 10, 2005
- Years active
- 2005
- Date of arrest
- Same day
- Status
-
Imprisoned
Resentenced to 15 years in prison on March 24, 2009
Case Summary
Parties and roles
- Yu Hagino (萩野 裕, Hagino Yū, born 1982) was a teacher at a cram school in Uji, Kyoto Prefecture, and later a defendant in the case.
- Sayano Horimoto (堀本 紗也乃, Horimoto Sayano, 1993 - December 10, 2005) was a 12-year-old sixth grader at Shinmei Primary School who was murdered at a cram school.
Background
- Yu Hagino became a teacher at a cram school in Uji, Kyoto Prefecture, and he was also a student at Doshisha University.
- Sayano Horimoto was a sixth grader at Shinmei Primary School.
- Sayano became uncomfortable around Hagino.
- Sayano complained to her parents about Hagino when he became suggestive around her.
- Hagino went to a mental hospital in the autumn of 2003, but his condition became worse afterward.
- Hagino took Fluvoxamine.
- Hagino was convicted of injuring a man before the murder.
- Because the murder occurred when the murder of Airi Kinoshita made a panic in Japan, Hagino was noted as a child killer by Japanese people.
The offence
- On December 10, 2005, Hagino sent the other students outside.
- Hagino disconnected a security camera.
- Hagino stabbed Sayano Horimoto to death at her juku (cram school).
- The court said the stabbing occurred in a classroom on the morning of Dec. 10, 2005.
- Hagino stabbed Sayano Horimoto in the neck and other parts of her body.
- Hagino stabbed Sayano more than 10 times in the neck, head and face after initially approaching her from behind and trying to hit her with a hammer, according to prosecutors.
- After stabbing her, Hagino pushed her to the floor.
- Prosecutors said Hagino then stabbed her at least three more times in the neck.
- The indictment said Hagino killed Sayano Horimoto, a sixth-grader at Shinmei Primary School in Uji, Kyoto Prefecture, by stabbing her in the neck and other parts of the body at about 9 a.m. on Dec. 10 in a classroom at Kyoshin Co.’s Uji Shinmei cram school in the city.
- Prosecutors said Hagino premeditated the crime by wrapping his knives and a hammer in a towel so they would not make noise when he put them in a bag.
- Prosecutors said Hagino allegedly planned to commit the crime on Dec. 3, an examination day for sixth-graders, because there would be fewer teachers than usual at the school.
- Hagino purchased two knives the day before, but did not commit the crime that day because Horimoto had already taken the test.
- Hagino’s lawyer argued that Hagino had received psychiatric treatment and was taking an antidepressant before he committed the crime.
- Hagino’s lawyer also said that Hagino had hallucinations that the girl had attacked him with a sword and had taken over his body.
- The lawyer said that although Hagino drew up a detailed plan for the murder, he never thought how he could escape from the scene and destroy evidence.
- Police said Hagino stabbed the student after getting into a verbal dispute.
- Local media said the suspect had told police the girl had mocked him.
Investigation and arrest
- Yu Hagino was arrested on suspicion of killing the schoolgirl.
- Police said the classroom’s surveillance camera system had been disabled before the attack.
- Police said the attack was carried out with a kitchen knife.
- The justice minister warned of a chain reaction of killings.
- Japan's Justice Minister, Seiken Sugiura, told Kyodo news agency: "We need to prevent a chain reaction. I would like to carefully study the incident and think of steps that can be taken"
- The minister also told Kyodo news agency: "This is truly sad"
- A police spokesman said: "The suspect has said that he stabbed the student after getting into a verbal dispute"
Trial
- The trial took place at the Kyoto District Court.
- Hagino pleaded guilty.
- During the proceedings, Hagino’s mental competency became a major issue during the trial.
- A psychiatric test cleared Hagino.
- The defence argued that Hagino was mentally incompetent at the time of the crime.
- The defence lawyer argued that Hagino had suffered from mental disorders, including hallucinations and delusions, and could not tell right from wrong at the time of the incident.
- Hagino admitted during the first hearing of his trial that he stabbed a 12-year-old primary school girl to death at the cram school in December.
- Hagino regretted the crime.
- Hagino said: "I want to apologize to the girl and her parents from whom I took away the precious life of their child,"
- Hagino said: "I'll atone [for the crime] for the rest of my life."
- Hagino told the court that he was upset by a complaint about his teaching, filed against him by the victim's parents in May 2005.
- Hagino claimed the episode led him to hallucinate that the girl had attacked him with a dagger.
- The court ruled that Himuro, who was fired after the slaying, was capable of separating illusion from reality.
- Hagino told the court that he was capable of separating illusion from reality, as ruled by the court.
- A press conference quote from Hagino’s lawyer was included: Hagino’s lawyer said that Hagino has stopped having hallucinations, but was suffering from an altered mental state at the time of the incident and needs psychiatric tests.
- Hagino was charged with murder and violation of the Firearms and Swords Control Law.
- Prosecutors said Hagino began harboring hatred for Horimoto because he thought she was disrespectful.
- Prosecutors said Hagino’s relationship with the girl deteriorated after her parents complained about the way Hagino had treated Horimoto when she had an individual counseling session in May.
- The prosecution said Hagino suspected an anonymous complaint in a cram school questionnaire that said he was hard to understand came from Horimoto.
- The Kyoto District Court said prosecutors demanded life imprisonment, but the court did not accept prosecutors’ demand that Hagino get life imprisonment.
- Presiding Judge Makoto Himuro said: "The cruelty of the crime is beyond description"
- Judge Makoto Himuro dismissed the defence argument that Hagino was mentally incompetent at the time of the crime, holding him fully responsible.
- Judge Makoto Himuro said the court concluded the actions were premeditated.
- Judge Makoto Himuro noted that Hagino had surrendered by making an emergency call to police.
Sentencing
- On March 6, 2007, the Kyoto District Court sentenced Yu Hagino to 18 years in prison.
- The court said it sentenced him to 18 years for fatally stabbing Sayano Horimoto.
- The victim's father, Tsunehide Horimoto, told a news conference: "The sentence is too light."
Appeals
- Prosecutors appealed, seeking a heavier penalty.
- On March 24, 2009, the Osaka High Court revoked the original sentence.
- The Osaka High Court resentenced Yu Hagino to 15 years imprisonment.
Outcome
- The final outcome was that Yu Hagino was resentenced to 15 years in prison on March 24, 2009.
Aftermath
- The case prompted the cram-school industry to review classroom safety and baselines for hiring teachers.
- Japan's Justice Minister Seiken Sugiura warned of a chain reaction of killings.
- Parents called for better security on the long walk that customarily takes many children to school.
- School uniforms fitted with global positioning transmitters were being sold.
- Some schools had fitted sensors in their gates that informed parents their offspring had arrived safely.
- Serious crimes are rare in Japan, but recent child murders prompted parents to demand increased security in schools.
- The shocking incident led to discussion about whether something was wrong with the moral climate in Japan.
Other details
- The BBC described that the incident became the third child to be murdered in Japan in the last three weeks.
- The BBC stated that there were no links established between the three latest murders.
- In two recent, unrelated incidents mentioned alongside the arrest, the body of a seven-year-old child was discovered strangled and taped inside a box in a car park, and another child of the same age was discovered stabbed and left in a forest.
- A Peruvian man was arrested over the first killing described in those unrelated incidents.
Spotted an error, or have more information about this case?