4 Most Evil Serial Killers What is serial killer? By definition, these are people who killed 3 or more people within a certain period of time. The following people are 4 evil serial killers who have done extreme dreadful acts where they have been evidently found guilty of their crimes. See their nature of crimes and the total number of their victims: 1. Richard Trenton Chase ‘The Vampire of Sacramento’ He was named as ‘The Vampire of Sacramento’ because he eats the body parts of his victims and even drinks their blood. Before, he started to eat raw animals. Due to it, he was confined in a mental center and given anti-psychotic medications. When he was released, he executed more unmerciful killings that made him murdered 6 people in a month. He also involved sexual contact with his victims’ dead bodies. 4 Most Evil Serial Killers What is serial killer? By definition, these are people who killed 3 or more people within a certain period of time. The following peop... Read more » 5:35 AM