Sagamihara Care Home Massacre

Sagamihara, Japan · 2016

solved Mass murder / spree July 26, 2016

Perpetrator

Satoshi Uematsu

Satoshi Uematsu was a former employee of the Tsukui Yamayuri-en care facility where he carried out the attack. He held extremist views that disabled people should be euthanized and had earlier sent a letter outlining his intentions to a politician, leading to a brief involuntary psychiatric hospitalization. He turned himself in to police shortly after the killings, was convicted of murder, and sentenced to death in March 2020.

Known Victims

At least 19 total — known victims include:

Residents of Tsukui Yamayuri-en (disabled individuals, aged 19 to 70)

Location

Tsukui Yamayuri-en care home, Sagamihara, Japan

Summary

A former staff member attacked a residential care facility for disabled people in Sagamihara, Japan, killing 19 and injuring 26 in the country's deadliest mass killing since World War II.

Details

In the early hours of 26 July 2016, Satoshi Uematsu broke into the Tsukui Yamayuri-en care facility in Sagamihara, Kanagawa Prefecture, where he had previously worked. Armed with knives, he killed 19 residents with disabilities and wounded 26 others, including staff. He then drove to a police station and surrendered. Uematsu espoused the belief that severely disabled people should be put to death and had warned authorities of his intentions months earlier. He was convicted of murder and sentenced to death in March 2020.

Overview

The Sagamihara care home massacre was a mass stabbing that took place in the early hours of 26 July 2016 at the Tsukui Yamayuri-en, a residential care facility for people with disabilities in Sagamihara, Kanagawa Prefecture, Japan. The perpetrator, Satoshi Uematsu, a 26-year-old former employee of the facility, killed 19 residents and wounded 26 other people, including staff. It was the deadliest mass killing in Japan since the end of World War II.

The attack drew international attention both for its scale and for the explicitly stated motive of the perpetrator, who claimed that people with severe disabilities should be euthanized. The case prompted debate in Japan about disability rights, the security of care institutions, mental health, and the country's handling of hate-motivated violence.

The Attack

In the early morning of 26 July 2016, Uematsu broke into the Tsukui Yamayuri-en facility, reportedly entering through a window after breaking the glass. Armed with knives, he moved through the residents' rooms attacking sleeping patients. He also restrained staff members with cable ties during the assault.

Nineteen residents were killed and 26 other people were injured, many of them severely. The victims ranged widely in age. After carrying out the attack, Uematsu drove to a nearby police station and turned himself in, admitting to the killings. The speed and lethality of the attack, carried out against vulnerable people who were unable to defend themselves, shocked the Japanese public.

Perpetrator and Motive

Satoshi Uematsu had been employed at the Tsukui Yamayuri-en facility before the attack. Earlier in 2016, prior to the massacre, he had expressed views advocating the killing of people with disabilities, including reportedly delivering a letter outlining such intentions to the office of the Speaker of the House of Representatives. Following concerns about his statements, he was hospitalized for a period and was diagnosed with conditions related to his mental state, then released.

Uematsu stated that he believed people with severe disabilities should be euthanized, framing his actions as beneficial. His openly expressed ideology, which echoed eugenicist beliefs, became a central and disturbing aspect of the case and fueled wider discussion about discrimination against disabled people in Japan.

Trial and Sentence

Uematsu was charged with murder and other offenses. His trial began in January 2020 at the Yokohama District Court. A key issue was his mental competency and criminal responsibility, but the court found him responsible for his actions.

In March 2020, Uematsu was convicted and sentenced to death. He did not appeal, and the death sentence was finalized. The verdict was closely followed in Japan, where capital punishment remains in use, and the case became one of the most prominent criminal trials of the period.

Aftermath and Impact

The massacre intensified national discussion about the rights, safety, and social treatment of people with disabilities in Japan, as well as questions about how authorities respond to individuals who voice violent intentions. Disability advocates highlighted concerns about discrimination and the dehumanizing rhetoric expressed by the perpetrator.

Out of respect for the privacy of victims and their families, and reflecting practices in Japan surrounding disability and stigma, the names of many victims were withheld from public release, a decision that itself sparked debate about whether anonymity reinforced stigma. The Tsukui Yamayuri-en facility was subsequently rebuilt, and memorials have been held for those who were killed.

Video Coverage

Frequently asked questions

What was the Sagamihara Care Home Massacre case?

A former staff member attacked a residential care facility for disabled people in Sagamihara, Japan, killing 19 and injuring 26 in the country's deadliest mass killing since World War II.

Who was responsible for Sagamihara Care Home Massacre?

Satoshi Uematsu. Satoshi Uematsu was a former employee of the Tsukui Yamayuri-en care facility where he carried out the attack. He held extremist views that disabled people should be euthanized and had earlier sent a letter outlining his intentions to a politician, leading to a brief involuntary psychiatric hospitalization. He turned himself in to police shortly after the killings, was convicted of murder, and sentenced to death in March 2020.

How many victims were there in the Sagamihara Care Home Massacre case?

At least 19 victims are associated with this case, including named victims such as Residents of Tsukui Yamayuri-en (disabled individuals, aged 19 to 70).

Where and when did the Sagamihara Care Home Massacre case take place?

It took place in Sagamihara, Japan in 2016.

Was the Sagamihara Care Home Massacre case solved?

This case is recorded as solved.

Sources & further reading

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