「親とうまくいっていない」 加藤容疑者、孤立深める? ["I am not getting along with my parents." Was Suspect Katō's Isolation Deepening?]. Asahi Shimbun (in Japanese). 11 June 2008. Archived from the original on 12 December 2009. Retrieved 2 September 2010.
『秋葉原事件』加藤智大の弟、自殺1週間前に語っていた「死ぬ理由に勝る、生きる理由がない」 [Brother of Akihabara massacre Tomohiro Kato talked of no reason to live one week before suicide]. J-Cast TV Watch (in Japanese). J-Cast Inc. 11 April 2014. Retrieved 9 May 2014.
「親とうまくいっていない」 加藤容疑者、孤立深める? ["I am not getting along with my parents." Was Suspect Katō's Isolation Deepening?]. Asahi Shimbun (in Japanese). 11 June 2008. Archived from the original on 12 December 2009. Retrieved 2 September 2010.
The word Tōrima (通り魔) refers to person who inflicts harm (murder, injury, assault, property damage, etc.) in the place where people can freely pass by.[1]