The Nagano District Public Prosecutors Office announced the indictment against Masanori Aoki after a three-month psychiatric assessment determined that he was mentally fit to stand trial.

Nagano prefectural police said the number of ... local women were killed in the shooting and stabbing spree. Masanori Aoki, 31, has been arrested on suspicion of murdering one of the police ...

Investigative sources say Aoki told police he carried out the knife attack because he thought he was being spoken ill of, and he shot the officers because he thought they might shoot him.