General Purpose: To inform
Specific Purpose: To inform my audience about psychological profiling.
Central Idea Statement/Thesis: I will discuss (1) what psychological profiling is, (2) the profiling of Jack the Ripper, and (3) the most important uses of psychological profiling.
Introduction
I. [Attention Getter] Which well-known murderer is not defined as a serial killer? (Pictures of known offenders)
II. [Topic Justification] Knowing the human behavior of offenders by using the psychological profiling method is the the best way for criminal investigators to apprehend the culprit(s), specifically serial killers.
The answer to …show more content…
Investigators have to look carefully at the evidence they have to create scientific theories to what the pool of unknown offenders could narrow down to based on the crime scenes and other obtained evidence. B. The behavior of the serial killer(s) at the crime scenes reflect what the offender’s personality, growth development, criminal background history, and social interactions with others are (Morton).
Transition: The Federal Bureau of Investigation is typically the bureau who investigates serial violent crimes today, but there was one point in history that the methods of psychological profiling was put to use by London investigators in the 19th century.
II. Next, I will discuss the true story of the Jack the Ripper case. A. The murder case of Jack the Ripper is significant to psychological profiling because it was based on the first application of profiling the offender Jack the Ripper in the year 1888 (Bonn). 1. He brutally slaughtered five prostitutes between the months of August and November at the Whitechapel in London (Ibid). 2. This case caused an outbreak to the public in London and Jack the Ripper became the …show more content…
1. Based on the autopsy reports, The Ripper had no medical training or anatomy knowledge whatsoever by the way the victims were mutilated. 2. The two investigators also concluded that The Ripper was “a man of solitary habits”; he stalked these women and while he mutilated them, he felt an “uncontrollable sexual desire” (Ibid). C. The London police caught a man that fit the prolific determinations, but his name was not known so they named the man “David Cohen” (a name like John Doe). 1. David Cohen was sent to the Colney Hatch Lunatic Asylum a month after the last victim was killed. 2. The asylum’s records state that David Cohen displayed "homicidal tendencies and a great hatred of women”