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Ninety-five percent were males, 5 percent were females, and 16 percent were African-American.
#Serial killer definition serial
Fox and Levin report that the researcher Grover Godwin's 1999 database of 107 serial killers revealed an average age of thirty. Seventy-three percent of male offenders were white, 22 percent were African-American, and the remainder were of different ethnic groups. Fox and Jack Levin (2001) found that males made up more than 90 percent of the sample. Characteristics of the Serial KillerĪccording to Hickey's 1997 database of approximately 399 serial killers, the average age of the murderer at the time of the first killing was 27.5 years, and they typically were white males. The mass murderer "appears to give little thought or concern to his or her inevitable capture or death" and may give him- or herself up or commit suicide if not killed by police (ibid., p. Serial murder differs from mass murder in that mass murder involves killings of four or more victims in the same general area and occurs as one event in a short period of time. The problem with using a definition based strictly on three victims omits the two- time signature killer who has obsessive qualities and would be expected to continue to kill. The criminologist Eric Hickey states that most researchers define serial killers as having three to four victims, but also includes in his database of serial killers some individuals who "killed only two victims but were suspect in other slayings or in which evidence indicated their intent to kill others" (Hickey 1997, p.27). Also, individuals such as Edmund Kemper, who killed his grandparents and mother, and Henry Lee Lucas, whose mother was his first victim, are generally classified as serial killers. The material gain motive is more common with the female than the male style of serial murder, thus Egger's definition could be seen more as serial signature murder. Several of these characteristics are debatable. Another perspective is that of Steve Egger, who uses six characteristics in his definition of serial murder: (1) There are a minimum of two murders (2) the killer and victim are unrelated (3) the murders have no direct connection to each other and occur at different times (4) the murders usually occur at different locations (5) victims may have characteristics in common with earlier or later victims and (6) the murders are not committed for material gain but for gratification based on fantasies.
#Serial killer definition series
What is serial murder? The British author John Brody first used the term in 1966, and the National Institute of Justice defined serial murder in 1988 as "a series of 2 or more murders, committed as separate events, usually, but not always, by one offender acting alone" (Newton 2000, p. In his case, some of these behaviors included engaging in sex with the bodies, cutting up the victims and cannibalizing body parts such as the heart, pulling muscles from the bone and wearing them on his own shoulders, painting the skulls to put over his bed, and storing one victim's head in the refrigerator. Showed the sadistic sexual satisfaction and control of living with his victims' bodies.
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While the MO may change as the killer comes up with a better technique, the emotional reason he commits the crime does not change. John Douglas, the first full-time profiler at the behavioral science division of the Federal Bureau of Investigation Academy in Quantico, Virginia, thinks the killer's signature is a better guide to behavior than his MO. More revealing is what has been called a killer's "signature," which has been defined by John Douglas as "a personal detail that is unique to the individual, why he does it: the thing that fulfills him emotionally" (Douglas 1997, p. MO includes victim type, how the criminal approached or overcame his victim, tools used, and the time and place that the crime occurred. However, those factors did not tell investigators the emotional core of his killing, they were simply the modus operandi (MO) of the crime. He would then drug their drinks to subdue them so that they would be easier to strangle. The serial murderer Jeffrey Dahmer would go to bars in Milwaukee, Wisconsin, and pick up young men, sometimes telling them he was a photographer and luring them back to his apartment with an offer of money to be his model. Descending into minds that people view as belonging to despicable monsters is a requirement for individuals who search for or attempt to understand serial killers.