Justice has been finally served after the case surrounding the vicious “Twitter Killer” reached its bombshell end.
With the awaited death of Takahiro Shiraishi, Japan has dealt swift justice to the man who preyed on vulnerable young women through social media.
Shiraishi was executed for murdering nine people, including teenagers as young as 15, and dismembering their bodies in his apartment near Tokyo.
His execution sends a powerful message about the consequences of such heinous crimes in a world where online predators increasingly threaten unsuspecting people.
The 34-year-old man was hanged in Japan’s first death penalty implementation since 2022.
The serial killer earned his infamous nickname by using Twitter (now X) to target victims who had expressed suicidal thoughts.
He would offer to “help” them die or promise to join them in suicide, then lure them to his apartment where he strangled, dismembered, and in the case of his female victims, sexually assaulted them.
Japan’s justice minister Keisuke Suzuki stated the killer acted “for the genuinely selfish reason of satisfying his own sexual and financial desires” and “caused great shock and anxiety to society.”
Police discovered the horrific crime scene in October 2017 when they found dismembered body parts in coolers and storage containers at Shiraishi’s apartment in Zama.
The gruesome discovery revealed the remains of eight women and one man.
2/ Shiraishi's victims were eight women and one man, aged between 15 and 26. He contacted them via Twitter, offering to assist them in their suicidal intentions. Once they arrived at his apartment, he strangled, sexually assaulted, and dismembered them. pic.twitter.com/W2LTrGzjXz
— Undiscovered History (@HistoryUnd) May 5, 2025
The male victim was the boyfriend of one of the women, killed simply to prevent him from exposing Shiraishi’s crimes.
After his arrest, Shiraishi’s lawyers attempted to claim his victims had consented to be killed, arguing for a lesser charge of “murder with consent.”
However, Shiraishi himself later contradicted this defense, acknowledging his victims had not given permission to be murdered.
Justice Minister Keisuke Suzuki described how Shiraishi targeted “mentally fragile” women, manipulating their vulnerability for his own perverted purposes.
His crimes included robbery, rape, murder, and the destruction and abandonment of corpses.
The December 2020 sentencing drew hundreds of spectators to the courtroom, with the judge handing down the death penalty.
While the European Union criticized Japan’s use of capital punishment, Japan and the United States stand as the only G7 nations that maintain the death penalty.
The case prompted Twitter to update its rules to prohibit promoting or encouraging suicide or self-harm.
Japan’s executions are carried out by hanging, with prisoners typically not informed until the day of their execution.
The “Twitter Killer” case serves as a sobering reminder of the dangers lurking online.
