“Nearly 70% of serial killers received extensive head injuries as children or adolescents which, for many researchers, suggests a link between such injuries and serial murder. Some researchers believe that the prefrontal cortex (the area involved in planning and judgment) does not function properly in psychopaths.”
More from Shirley Lynn Scott
“Because of the their psychopathic nature, serial killers do not know how to feel sympathy…”
“Many serial killers are fascinated by authority. They have attempted to become police…”
“Unlike some people with significant mental disorders, such as schizophrenia, psychopaths…”
“From an early age, many serial killers are intensely interested in voyeurism and fetishism…”