The world has seen plenty of serial killers who has killed people for plenty of reasons including satisfying their blood lust, witch-craft, etc. Let's take a look at the top six most evil serial killers of all time! Most Evil Serial Killers Of All Time 1. Gilles de Rais: Gilles de Rais is a French noble man who is widely believed to be a forerunner of the modern age serial … [Read more...]