Tochigi Home Invasion Robbery-Murder Case

On the morning of May 14, 2026, four 16-year-old boys broke into a residence in Kaminokawa, Tochigi Prefecture, Japan. They fatally stabbed 69-year-old Eiko Tomiyama and injured her two sons who returned home. Police arrested all four teenagers and later apprehended a couple, Kaito Takemae (28) and his wife Miyu (25), suspected of orchestrating the crime. Takemae was captured at Haneda Airport while attempting to flee to South Korea. Investigators believe the couple recruited the teens through “dark part-time jobs” linked to “tokuryu,” an anonymous and fluid crime group.

As of May 2026, six suspects are in custody: the Takemae couple and the four teenagers. They face charges of robbery-murder. Kaito Takemae has denied the allegations. Investigations continue, and no trial verdict has been reached yet.

The case highlights the exploitation of minors through social media for "dark part-time jobs" by "tokuryu" (anonymous and fluid crime groups). A key legal and social controversy revolves around the masterminds' ability to orchestrate violent crimes while maintaining anonymity and avoiding direct participation. The incident also raises significant questions about youth vulnerability to online criminal recruitment.

The brutal crime, committed by 16-year-olds allegedly recruited online, has deeply shocked Japan. It exposed the inner workings of "tokuryu" groups, prompting the National Police Agency Chief to order a nationwide crackdown. The case ignited a public debate on regulating "dark part-time job" solicitations on social media and protecting youth from being drawn into serious crimes, leading to calls for new legal measures.