What I keep thinking is: Why would someone go to school, pull out a gun, and then randomly shoot people? It ain't a faster way to get a girlfriend. It ain't get you money, it ain't helps in the balance of the world, etc.
Why school?
Because it's gun free. You are the god, the superior being, and no one's there who could offer any resistance. You can do whatever the hell you want. (read:
http://en.wikipedia.org/wiki/Pekka-Eric_Auvinen#The_perpetrator , quote from Auvinen himself: "
I, as a natural selector, will eliminate all who I see unfit, disgraces of human race and failures of natural selection.")
Why pull out a gun?
Because the axe is less spectacular and requires more effort to kill someone. (
http://en.wikipedia.org/wiki/Brenda_Ann_Spencer , "It was just like shooting ducks in a pond" and "[The children] looked like a herd of cows standing around; it was really easy pickings.")
Why randomly shoot people?
To have fun deciding who lives and who dies. (read:
http://en.wikipedia.org/wiki/Eric_Harris_and_Dylan_Klebold#Motivations , quote from there: "On the day of the massacre,
Harris wore a white t-shirt with the words "NATURAL SELECTION" printed in black.", also the quote from Auvinen fits here just nice too)
P.S.
Ever see a psycho go to a police station, gun shop, airport or gun show and start shooting?
And why not?
Because he wouldn't be the almighty with 50 other people who have guns within reach and know how to use them a lot better than he/she does.
Why do they usually commit suicide at the end of their killing spree?
Because the cops surrounded the building and he ain't the most powerful anymore.
Sometimes to understand a psycho you have to look at the problem from a totally different perspective (read: totally crazy) than you usually do, and it starts making sense (even though it sounds nuts, but hey, we are discussing the motives of total whackjobs, stranger than The Joker in "Dark Knight", aren't we?).