I blame the Mom in some of this; she had guns at home, taught him how to shoot, etc. Knowing he had mental disorder, was a Goth, etc. She was selfish. She should have not had guns in the house. She knew her son was unstable. Yes, she had a right to own and use guns, but if I knew my kid had some issues, I WOULD not have any guns in the housen or at least none that he would know about.
I surmise, looking at this Kid that he was probably bullied a lot, mad fun of, etc. I surmise that he was spoiled.
Yes, that was a pretty bad call. I've been looking at the pictures of her and the father, and the photos of the boy, and two things come to mind. I'm almost afraid to bring them up (no, I AM afraid to bring them up, but here goes.)
1.) He looks nothing like them. Was he adopted?
2.) Was he gay? Sometimes they feel very bullied and it's possible a child who is both autistic and gay could feel "different" enough to really lose perspective.