In 2007, Pekka-Eric Auvinen shot eight people dead at Jokela High School in Finland. He also posted videos on YouTube foretelling the violence.Guardian Unlimited: 'Revolution. Smash everything'...(with Video) (November 8, 2007)

Matti Juhani Saari, YouTube user name Wumpscut86, is believed to have shot and killed ten students at a vocational school in Kauhajoki, Finland on September 23, 2008.Belfast Telegraph: 'Nine dead' in Finland school shooting(September 23, 2008) Saari shot himself in the head following the shooting and died after he was taken to the hospital.AFP: Gunman Dies After Killing 10...(September 23, 2008)

The shooting occurred just hours after he posted a threatening video on YouTube entitled "You Will Die Next" in which Saari fires almost directly into the camera.Sky News Video: Nine Dead In Shooting At Finnish School ...YouTube

18-year-old Pekka-Eric Auvinen fired shots at Jokela High School in Finland, killing eight people and injuring several others on November 7, 2007. Auvinen later shot himself in the head, becoming the ninth victim. Auvinen posted several videos on YouTube, referencing an imminent school shooting in Finland, just hours before the incident. One of the videos presented the shooter's philosophy, mentioning anarchism and Darwinism. His YouTube account had been suspended.

1. Pekka-Eric Auvinen shot seven students and a teacher in November 2007Guardian Unlimited: 'Revolution. Smash everything'...(with Video) (November 8, 2007)
2. Auvinen then shot himselfGuardian Unlimited: 'Revolution. Smash everything'...(with Video) (November 8, 2007)
3. Matti Juhani Saari killed 10 people in September 2008, in Kauhajoki, FinlandAFP: Gunman Dies After Killing 10...(September 23, 2008)
4. Both incidents involved young men as the shooters
5. Both killers posted videos foretelling the shootings on YouTube