Japan Carries Out Execution of 'Twitter Killer' in High-Profile Case

Thu Aug 21 2025 10:29:23 GMT+0300 (Eastern European Summer Time)
Japan Carries Out Execution of 'Twitter Killer' in High-Profile Case

Japan has executed Takahiro Shiraishi, a serial murderer known for a series of shocking killings that took place in 2017, raising ethical questions about online influence on vulnerable individuals.


In a significant move, Japan executed Takahiro Shiraishi, the man infamously referred to as the "Twitter killer," for his heinous acts of murdering nine people, predominantly young women, in a case that sent ripples across the nation. Shiraishi, who had used social media to lure his victims to his residence under the guise of offering them assistance in dying, sparked a nationwide conversation on the interplay of suicide discourse on platforms like Twitter. His execution marks the first capital punishment carried out in Japan since 2022, highlighting the country’s rigorous stance on serious crimes.

In 2017, authorities discovered dismembered body parts inside Shiraishi's apartment, leading to his arrest and subsequent confession to the murders. The victims, mostly aged between 15 and 26, had reportedly approached Shiraishi following his posts expressing a desire to help those suffering from suicidal thoughts. Legal debates ensued over whether his actions qualified as murder given the victims' alleged consent to die. Initially, Shiraishi's defense claimed he acted within the bounds of this consent, but he later recanted, admitting to the absence of consent during the murders.

The case not only resulted in a historic verdict in 2020, with Shiraishi receiving the death sentence in front of hundreds of spectators, but also prompted Twitter to revise its safety policies regarding the promotion of self-harm discussions on the platform. The society's response has reflected broader concerns about mental health and the responsibilities of social media in safeguarding its users against exploitation.

For those in distress, mental health resources and support organizations are available in various regions to provide necessary guidance and help.

*If you are feeling emotionally distressed and would like details of organizations which offer advice and support, please reach out to local services.*

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