It is difficult to believe that anyone could be born evil. Children appear so innocent that it’s hard to imagine that some of them could become notorious serial killers only a few decades later.
However, that is exactly what happened in these cases as these cold-blooded monsters all stole other people’s lives in the most brutal way. Even creepier, there were clear warning signs of their evil potential in their earlier years. But it was completely overlooked until it was too late.