The man dressed as the Joker who stabbed a passenger and set fire to a train on Halloween in 2021 in hopes of getting the death sentence instead was sentenced to 23 years in prison on July 31.
Kyota Hattori, 26, was found guilty of attempted murder for stabbing and injuring a man in his 70s and of spraying lighter fluid onboard the Tokyo train and then lighting it to try to kill others.