Tokyo: Japan has executed Twitter killer Takahiro Shiraishi, the man responsible for one of the country’s most disturbing serial murder cases.
In 2017, Shiraishi targeted young people who expressed suicidal thoughts, using online chats to contact them and lure them to his small apartment in Zama, near Tokyo. The victims, mostly women between 15 and 26 years old, believed Shiraishi would help them end their lives, but instead, Shiraishi strangled and dismembered them.
Police uncovered the crime scene in October 2017 when investigating the disappearance of one victim. Officers found nine dismembered bodies stored in coolers and tool boxes, which horrified the nation and led to his nickname as the Twitter killer.

During the trial, prosecutors demanded the death penalty due to the calculated and brutal nature of the murders. Shiraishi’s lawyers argued he committed ‘murder with consent’ but Shiraishi later admitted in court that he killed without any victim’s permission. In December 2020, a court sentenced Shiraishi to death, and crowds gathered to hear the verdict.
This week, Japan executes Twitter killer, marking its first capital punishment since 2022. The case forced the country and online platforms to strengthen rules to prevent suicide encouragement and protect vulnerable users.
The story of Japan executes Twitter killer remains a grim reminder for Japan about the dangers of online exploitation and the urgent need to protect those struggling with mental health issues. The execution has renewed debate over Japan’s continued use of capital punishment for serious crimes. Many believe the case shows the need for stronger mental health support and online monitoring to prevent similar tragedies.

