Japan
Country Intelligence Summary
108
Dec. 31, 2025
Top Motives and Outcomes in Japan
Top Motives
- Jealousy — 56 case(s)
- Revenge — 44 case(s)
- Control/domination — 39 case(s)
- Fear of exposure — 39 case(s)
- Eliminate romantic partner — 32 case(s)
Top Outcomes
- Arrest made — 96 case(s)
- Legal case ongoing — 89 case(s)
- Homicide during marriage — 65 case(s)
- Investigation still ongoing — 62 case(s)
- Deadbody recovery — 53 case(s)
State / Province Case Counts in Japan
19 case(s)
10 case(s)
7 case(s)
5 case(s)
4 case(s)
4 case(s)
4 case(s)
4 case(s)
4 case(s)
4 case(s)
3 case(s)
3 case(s)
2 case(s)
2 case(s)
2 case(s)
2 case(s)
2 case(s)
2 case(s)
2 case(s)
2 case(s)
1 case(s)
1 case(s)
1 case(s)
1 case(s)
1 case(s)
1 case(s)
1 case(s)
Cases in Japan: Outcome — Legal case ongoing
Airi Sato Allegedly Murdered by Kenichi Takano, Takadanobaba, Shinjuku, Tokyo, Japan
On March 11, 2025, at approximately 9:50 a.m., 22-year-old live streamer Airi Sato (broadcaster name 'Kami') was fatally stabbed over 30 times on a street in Takadanobaba, Shinjuku-ku, Tokyo, by 42-year-old viewer Kenichi Takano. Sato …
State/Province: Tokyo, Japan | City/Region: Takadanobaba, Shinjuku | Incident Type: Murder | Date: March 11, 2025
View DetailsK Injured in Alleged Murder Attempt by Sato, Nakano Ward, Tokyo, Japan
On September 16, 2024, 26-year-old K was stabbed in the neck with scissors inside his luxury high-rise apartment in Nakano Ward. His 25-year-old girlfriend, Sato, was arrested at the scene on suspicion of attempted murder, …
State/Province: Tokyo, Japan | City/Region: Nakano Ward | Incident Type: Domestic Violence Homicide | Date: Sept. 16, 2024
View DetailsKaren Suzuki Murdered by Shogo Nishimitsu, Osaka, Japan
On May 16, 2024, Karen Suzuki, a 19-year-old university student living in Osaka, was fatally stabbed by her boyfriend Shogo Nishimitsu, who confessed to the murder. Nishimitsu had lied about his employment status and concealed …
State/Province: Osaka, Japan | City/Region: Osaka | Incident Type: Domestic Violence Homicide | Date: May 16, 2024
View DetailsHirasawa Toshino Allegedly Murdered by Wakai Manabu, Shinjuku, Tokyo, Japan
Hirasawa Toshino, a 25-year-old Japanese bar manager and aspiring influencer, was fatally stabbed in Tokyo on May 8, 2024, by Wakai Manabu, a 51-year-old former friend who had become romantically obsessed with her. The source …
State/Province: Tokyo, Japan | City/Region: Shinjuku | Incident Type: Murder | Date: May 8, 2024
View DetailsMs. M Disappearance Involving Shota Ozawa, Kofu City, Yamanashi, Japan
In spring 2024, Ms. M, a 40-year-old employee in Kofu City, Yamanashi Prefecture, disappeared after leaving work. Security footage showed colleague Shota Ozawa waiting for her and later interacting with her. Ozawa had stalked Ms. …
State/Province: Yamanashi, Japan | City/Region: Kofu City | Incident Type: Murder | Date: April 30, 2024
View DetailsYutaro Takashima and Nosako Takashima Allegedly Murdered by Wakayama Kito, Kyoko, and others, Tokyo, Japan
In April 2024, two burned bodies of a wealthy couple, Yutaro Takashima and his wife Nosako, were found in the mountains of Nasu Town, Tochigi Prefecture. Wakayama Kito, a former child actor, was arrested as …
State/Province: Tokyo, Japan | City/Region: Tokyo | Incident Type: Murder | Date: April 15, 2024
View DetailsHara Tadayuki Allegedly Murdered by Nishitaka Mai, Iwaki Shohei, and others, Kawasaki, Kanagawa, Japan
Hara Tadayuki, a Japanese internet streamer known as YuiGa, was found dead inside a weighted suitcase near the Tama River in Kawasaki. According to the source, Hara had been in a financially exploitative relationship with …
State/Province: Kanagawa, Japan | City/Region: Kawasaki | Incident Type: Murder | Date: Dec. 15, 2023
View DetailsShiori and Sato Allegedly Murdered by Haruki, Nagoya, Japan
According to the video report, Japanese influencer and former host Haruki allegedly killed two women in December 2023. He allegedly drowned his live-in partner Shiori in their bathtub at about 3 a.m., then went to …
State/Province: Aichi, Japan | City/Region: Nagoya | Incident Type: Murder | Date: Dec. 4, 2023
View DetailsSetsuko Allegedly Murdered by Tomochika Yoshida, Setagaya Ward, Tokyo, Japan
On the night of October 1, 2023, 80-year-old Tomochika Yoshida allegedly strangled his 85-year-old wife, Setsuko, at their home in Setagaya Ward, Tokyo. The source describes more than 30 years of marriage, Setsuko's severe visual …
State/Province: Tokyo, Japan | City/Region: Setagaya Ward | Incident Type: Domestic Violence Homicide | Date: Oct. 1, 2023
View DetailsNakata Tachibana Allegedly Murdered by Genki Yamanaka, Izumisano City, Osaka, Japan
On May 9, 2023, 18-year-old Nakata Tachibana was found dead in an apartment in Izumisano City, Osaka, after suffering brutal and sustained physical abuse by her boyfriend Genki Yamanaka, 22. Yamanaka admitted to assaulting Tachibana …
State/Province: Osaka, Japan | City/Region: Izumisano City | Incident Type: Non-Murder | Date: May 9, 2023
View DetailsA-ko Disappearance Involving Tsuchiya, Numazu, Shizuoka, Japan
In 2023, A-ko, a 33-year-old divorced single mother and insurance saleswoman from Iwata City, Shizuoka Prefecture, disappeared after dropping her children at daycare. Investigations led to Tsuchiya, a 31-year-old married office worker from Numazu City, …
State/Province: Shizuoka, Japan | City/Region: Numazu | Incident Type: Murder | Date: Feb. 21, 2023
View DetailsSana Hirabayashi Allegedly Murdered by Akira, Tokyo, Japan
On February 2, 2023, 24-year-old Sana entered a Tokyo love hotel with Akira, a 54-year-old man she had met through a dating app in a financially transactional relationship. According to the source, Akira had given …
State/Province: Tokyo, Japan | City/Region: Tokyo | Incident Type: Murder | Date: Feb. 2, 2023
View DetailsDeceased wife Allegedly Murdered by 78-year-old husband, Yasugi, Japan
A 78-year-old unemployed man in Yasugi City, Shimane Prefecture, was arrested after his deceased wife's body was found in their apartment on July 21, 2024, following a neighbor's complaint about a bad smell. According to …
State/Province: Shimane, Japan | City/Region: Yasugi | Incident Type: Murder | Date: Jan. 21, 2023
View DetailsUnnamed first male victim and Unnamed male victims Allegedly Murdered by Miyuki Ueta, Hiroshima, Japan
The source describes seven men who died in or near Kurayoshi between 2004 and 2009, with sleeping medication reportedly found in their blood. The deaths were initially classified as suicides or accidents despite unusual circumstances, …
State/Province: Hiroshima, Japan | City/Region: Hiroshima | Incident Type: Murder | Date: Jan. 14, 2023
View DetailsShota Allegedly Murdered by Tatsuya and Misako, Wakayama City, Japan
In Wakayama City, a tragic family incident occurred involving a remarried couple, Tatsuya and Misako, and Misako's son Shota. Tatsuya, who was unemployed and addicted to pachinko, frequently demanded money from Misako and subjected her …
State/Province: None | City/Region: Wakayama City | Incident Type: Family Homicide | Date: Jan. 14, 2023
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