No one is trying to manufacture an "excuse" for his actions. Sometimes applying supernatural concepts like "evil" to the actions of someone or something simplifies one's own reasoning instead of applying something more tangible, like "cause." If "bad laws" are a "cop out," maybe it's time to get a "cop in" schools. And, straw purchased firearms used in an assault, well..... a lot went wrong way before the "evil" deed and I don't think the devil made mommy buy him a bushmaster.
I'm all for cops in school but his behavior was "abhorent". I'll use that instead of the spooky supernatural "evil".
I misunderstood some of your post - I thought you were talking about gun laws in regards to his mother owning the firearms. My bad!
This is nothing but domestic terrorism. Anyone with an agenda, either homegrown or foreign can do this same thing Monday morning. It's time to stop trying to strip the rights of free men in America and stop sending millions overseas in foreign aid. Put that money to use in securing our schools.