Authorities learned about the videos Friday but could not reach Saari until Monday, Paatero told YLE.

CNN: Finnish gunman kills 10 at college

Over the course of 90 minutes, Saari fired a few shots at police, Finnish broadcaster YLE said.

CNN: Finnish gunman kills 10 at college

As Saari did not directly threaten anyone in the videos, there were no grounds for further action, national police Commissioner Mikko Paatero told YLE.

CNN: Finnish gunman kills 10 at college

The Finnish radio station YLE even broadcasts news in Latin.

BBC: Pope resignation: Who speaks Latin these days?

Jukka Forsberg, a maintenance worker at the school, told YLE that the gunman was wearing a ski mask and walked into the building with a large bag.

CNN: Finnish gunman kills 10 at college

Police also searched his home, YLE reported.

CNN: Finnish gunman kills 10 at college