White Rage
Valkoinen raivo (original)
White rage is the story of Lauri, and through him the story of other victims of both school bullying and a separate childhood trauma: victims full of white rage, which may lead to school shootings and other extreme acts of violence. The film is also about a society without sufficient understanding or desire to address the emergence of school violence.
Starring Miro Mäkelä, Jouko Hokkanen, Linus Tuomenvirta, Samu Loijas, Zaida Hämäläinen, Arto Halonen, Mirja Oksanen, Anders Behring Breivik
It's a biography and documentary movie, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.