When you think about school shootings, the first thing that will come to mind is troubled students going on a killing spree and murdering their peers without any good reason. Even though similar crimes happened numerous times in the past, the thorough coverage of Columbine turned school shootings into worldwide news. The experts started to recognize it as a real problem because the frequency increased after 1999 even though the security at schools and universities improved greatly. But what happens when a renowned professor snaps, pulls out their gun, and start killing their colleagues?