Logic always goes out the window during these periods of finger-pointing, as we struggle to explain the monsters among us. Again and again, we ask a question that is by and large unanswerable: How can we prevent these kinds of things from happening? Of course, the only honest answer is, we can’t. Can you name one single negative human trait that has ever been bred or taught out of existence in human history? Just one. Of course you can’t. There will always be people who are violent, angry, vengeful, psychotic, bitter, envious, and racist.