What this man may have lacked was a sense of legacy and longevity of existance. What better way to prove to the world that you are timeless than to kill those who thought you lacked that and be immortilized and idealized on the omnipresent media circut. In his mind perhaps he could achieve the status of Napoleon. Shame he had to kill innocents and hurt their surviors on such a spontaneous violent frenzy instead of being content with an inevitable modest epithaph that everyone else will live on forever with. Some people seem to take their self-loathing out on others, it's quite sad.