Loner's rage burned after ruin of Web site
It appears the Case Western Shooter was a bona fide nut case. He is 62 year old Biswanath Halder's, originally from India, who lived for his website. The Volokh Conspiracy has a post of some extraneous information on the incident dug up by one of his readers. I am not sure what to make of the information. It reeks of tabloid fodder.
UPDATE: Volokh has more here and here. Both posts are warblogging at their best or worst, depending on your views.