https://schoolshooters.info/sites/default/files/two_finnish_school_shooters_1.1.pdf

https://www.telegraph.co.uk/news/worldnews/europe/finland/3077572/Finland-shooting-Two-school-killers-bought-guns-in-same-shop.html
https://www.nytimes.com/2008/09/24/world/europe/24finland.html
https://murderpedia.org/male.S/s/saari-matti.htm
https://www.youtube.com/watch?v=JP_ZiHjtOT0&t=23s
https://www.youtube.com/watch?v=H-ArXolLjRU