I didn't know you could chop off somebodies limbs with an assault rifle?????? I'm sure it had to be an evil assault rifle. I'm going to go out on a limb and say mental issues are once again the primary cause in a horrific crime.
People don't dismember people, chainsaws dismember people.
I believe in Christianity as I believe that the sun has risen: not only because I see it, but because by it I see everything else.