And kids, like one who grew up on my block, who got their kicks dunking people's cats in gasoline and throwing fireworks at them? Was that just being a brat?
This was elementary school since he was shipped off to some special place by middle school. He had two really nice brothers who seemed as relieved as the rest of us when he was gone.
As already recommended in this thread, I urge a viewing of "We Need to Talk about Kevin"
Asshole, brat, jerk ... We all might fall in and out of these fugues as we mature. But, very few of us are evil. You do disservice to those trying to understand these conditions (whether biological or environmental) by minimizing them.