Get with the times and stop hyping it up. This issue has fascinated me for awhile because people always wonder how killers end up how they are. It's no big secret. Somewhere along the line, almost all killers lived a chaotic and painful childhood. Someone did not treat them right.
Someone is at least partially responsible.
We cannot continue to look at killers and consider them freaks of nature who were products of nothing and causes of nothing. They encountered scarring events in their lives and they either pass them on to their children or they pass it on to other people when they terrorize them. It's a never-ending chain of pain and suffering. Likewise, it's no secret most successful people turn out the way they are. They usually have stable and supportive families and peers who placed value in learning or business or whatever.