西日本鐵道
An hour after posting a cryptic threat in a thread with the name "Neomugicha" ("Neo-Barley Tea"; ネオむぎ茶), the 17-year-old hijacked a bus "the Wakakusu" (Nishi-Nippon Railroad Co., Ltd.) in Dazaifu, Fukuoka, Japan with a Gyuto knife (牛刀 "gyūtō" or Chef's knife), stabbing one passenger to death and injuring 2.