Offender profiling plays an edge can be traced back to the Middle Ages, was then used to find the heresy trial officer. In the 1940s, criminal investigations rely heavily on the side of offenders mental health professionals do to help police investigators write. Soon after, James? Brussels on analysis of the information ordered George Ahmed Chomsky (often referred to as "Mad Bomber" mad bomber in New York), and to make a precise criminal side painted. The incident attracted the FBI's attention, and prompted them to Brussels side write mode based on the continued development of the criminal side of the painting technique.
Offender profiling is based on the nature and modus operandi of the crime based on the analysis to find a way of offenders. Before facing a variety of criminal personality depends on the composition of the crime, and the crime after crime behavior choices. This information will be associated with this combination of details as well as physical evidence, and then be compared with a known personality types and mental abnormalities to construct the actual perpetrators of the available side said.
Criminal psychological profiling is seen as a way to locate the suspects to try to confirm their mental, emotional, and features character. This method is applied to a continuous Ted Bundy murders committed specializing in criminal psychology spirit pathologist Dr. Jarvis'm Richard B may predict the age range of Bondi, of abnormal behavior?.? his extraordinary talent and extraordinary.
Another can prove the effectiveness of offender profiling depth case is the "Green River killer" Gary Lyon? Li Jiwei (Gary Leon Ridgway). John Edward Douglas (John Edward Douglas) was served in the FBI investigators, who submitted the criminal side of a 12-page written report. Key summarized as follows:
(1) may be a non-white men and women of normal contacts relations.
(2) from trying to hide the bodies seem to work very well organized, and often spotted in the area along the river.
(3) the character of cunning prisoner, the victim would be tied to tungsten in the body to make it sink into the river to hide the bodies.
(4) vehicles, mobile.
(5) will commit crimes again.
(6) As with other serial killer, prisoners may be contacted during the survey expressed willingness to assist police investigators.
However, for Li Jiwei made this offender profiling, not all features are in line with the actual situation, such as Li Jiwei not described in the report is a favorite outdoor activities or unable to establish close relationships with although he rarely engaged in outdoor activities, but often with his wife to the green River area, and close with his former wife term.
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