My phone distrusted the source, so I didn't get a chance to read the whole thing,
But, unlike the VA Tech guy and those of that ilk, who were going for the noterity, I wonder if some of these arn't more along the lines of rage killings and then the guilt or hopelessness of they're new title of murderer drives them to suicide.
I wonder if, we hear all the stories about forensic type cop shows influancing juries and criminals, I wonder if this perhaps is another effect. If a guy goes out in a rage and starts killing people, then calms down and thinks 'oh, they can solve this like on csi, in one hour and their definatly gonna catch me', it would explain the seeming increase in these types of killings/suicides.