[P-Marlowe]

He first went after the people with whom he had the altercation. Then went after the children in the two nearby classrooms.

And you think that if we find out what caused the argument, that somehow, someday, we can educate people who are evil and crazy not to go out and kill children just because they get into some kind of argument like this?

[WildHighlander57]

That isn’t my point.
All I was saying is that he went after the people with whom he had the argument.
If he was narcissistic and could not handle criticism maturely, and tended to fly into a rage when people disagreed with him, then that explains why he went after those four people.
Recall one survived; it is possible he got into it with them again Friday and then started shooting when they didn’t agree with him.

[Post Toasties]

And you think that if we find out what caused the argument, that somehow, someday, we can educate people who are evil and crazy not to go out and kill children just because they get into some kind of argument like this?

We might learn that this is a potential triggering event for such violence in the future. That could be invaluable, wouldn't you say? What business did the murderer have talking with school personnel about what ever it was, anyway?