25 Creepiest Serial Killers That Shocked Society

History has seen its fair share of some of the creepiest serial killers. These people have done some of the most gruesome things imaginable which might be difficult for some people to handle. Why did these killers kill innocent people? (some of them even children) Most point to mental illness. However, some of these serial killers were almost as normal as you and I. It goes to show that you really don’t know what someone else is capable of. These are 25 Creepiest Serial Killers That Shocked Society.

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