In an incident through which 4 folks, together with a girl and a police officer, have been killed in Nakano City, Nagano Prefecture, the suspect instructed investigators, “I assumed the police officer was grinning after I was within the means of acquiring a allow for looking weapons. I used to be dissatisfied.”
Source
Suspect murdered 4 folks in Nagano “I’m dissatisfied with the police who’re grinning” | NHK
