The incident, in which a woman in her 20s was severely wounded, took place despite heightened security for the Tokyo Olympics. He also admitted to having been inspired by a similar stabbing spree in August on an Odakyu Electric Railway commuter train that led to the injury of 10 passengers.

He said he made a point of targeting a “crowded train with few stops” where “people can’t run away.” Hattori's account paints a picture of a premeditated, meticulously thought-out attack. He said he started harboring a death wish in around June and July after both his professional and private lives, including his relationships with friends, went awry. He later told investigators that his motive was to “sentence himself to death” by killing two or more people.Īccording to the police, a seemingly unrepentant Hattori said he was “disappointed that I couldn’t follow through on my plan to commit murder,” offering no words of apology.

Hattori was arrested at the scene for attempted murder.

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