Obviously the over mediatisation of those events makes sure those killers get want they're looking for: attention. It's a pretty new phenomenon, because of the massive attention those things now get worldwide.

But I don't think you can do anything about it. News corporations try to make money, and this stuff sells, people watch/read about this a lot. That's why you get dozens of reporters camping outside the house of the killer's parents 24/7. News value? Zero, but you know...