Akiyuki Hozumi (November 7, 2020). "愛知・千葉・山梨で相次いで若い女性が殺害『混血少年連続殺人事件』【衝撃の未成年犯罪事件簿】" [Young women killed one after another in Aichi, Chiba and Yamanashi in "Mixed-blooded boy serial murder case" [Shocking underage criminals casebook]]. Niconico (in Japanese). Archived from the original on November 7, 2020. Retrieved August 2, 2021.{{cite news}}: CS1 maint: bot: original URL status unknown (link)
