You kill 10 college students before you make a crime on YouTube

A male invaded an economics specialty university in the city of Kauhayoki in Finland and an incident occurred indiscriminately killing 10 students. The criminal is announcing a crime on the video sharing site "YouTube", he uploaded a video shooting guns before and was told that the police guidance.

The picture above is part of the movie of the notice of the crime. That figure that fires at the camera feels terror. Let's see why it was a dangerous person, but I was not able to stop his crime beforehand, how it worked until the crime.

Details are as follows.
At least eleven dead after 'YouTube' gunman is set free by police to go on school rampage | Mail Online

'Many dead' in Finnish school shooting | The Sun | News

Matti Yuhani Siri (22) was the one who caused indiscriminate murder. Siri who covered her face with a ski mask with black outfits appeared in the classroom under test and shot suddenly around 11 o'clock on September 23 local time. Sari said he had an explosive. After that, it seems that they fired one after another and killed 10 students. Sarri suicide after the crime. It seems that we leave unknown points such as motivation.

He posted a video on YouTube as if he would pretend to commit a crime five days before the crime, he said the police were listening to the situation. The police who saw a movie that shot a gun two years ago made a case to Saari suspect, but it seems that he was not held in custody because he possessed firearm ownership permission. Sari also asked a police officer a duty to the place that possessed a 22 caliber pistol 24 hours before the crime, but he was not held in custody because he possessed a firearm ownership permit in the same way about.

Previously, Sari was writing on a membership site that "Life is war, painful, you must fight your own war with one person," said the crime. He said that his classmate was sociable and testified that her socializing was good but he himself introduced himself at a self-site as "human dislikes".