

They are often the youngest or younger children in the family. “They are of average or below average intelligence and are socially and sexually incompetent” (Clark, p. Disorganized serial killers are almost a complete opposite of organized serial killers. Most of the men during this eight-year study had an average IQ of 115, with some ranging as high as 145 (Casey, p. 6).Īn organized killer will most likely be a highly intelligent, skilled, socially competent individual who plans his crimes carefully (Clark, p. Two FBI agents conducted a study of serial killers over an eight-year period and came up with two distinct types of personalities, the organized and the disorganized serial killer (Clark, p. Psychologists classify a serial murder as sociopath because they continue to murder over a period frequently shows sociopath tendencies (Clark, p. After he gets the victim’s trust he persuades them to do things that they normally wouldn’t do with a stranger and that is when he strikes. 206).Īs a way of gaining the victim’s confidence and avoiding the use of force to abduct the victim, the serial killer may use a pseudorelationship (Clark, p. He looks for a certain type of victim based on lifestyle, age, appearance or occupation (Clark, p. A serial killer often plans his crimes extremely carefully. A serial killer’s murdering spree is methodical and extremely well planned, and the motive usually is to get even (Douglas, p. They often come from families where the parents were absent or ineffective, where authority was not defined, and where they could engage in destructive behavior undeterred-violent play, cruelty to animals, and incidents of arson being some of the childhood behavior patterns noted among many serial killers” (Clark, p. Serial killers often have a childhood marked by the absence of any nurturing relationship. Jack Levin stated “Research shows many serial killers suffered abuse, incest or neglect as children and develop poor self images” (Douglas, p. Many of the serial killers have been the victims of childhood abuse. So what makes a serial killer? Levin points out that contrary to popular belief, serial killers don’t just “snap” or “go crazy” (Douglas, p. He was convicted of killing three women but is suspected of killing thirty-six other women (Douglas, p. One of the most popular and well-known serial killers in history was Ted Bundy.

Serial killers have been around for decades but According To Jack Levin, “seven of the ten largest mass killings in American history have taken place in the last decade (Douglas, p. In the sixth edition of Crime and Criminality by Sue Titus Reid, a serial killer is defined as a person who commits more than one murder but at different times (Reid, p. Although no two serial killers are alike, they all fit this description somewhat.
