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Can this be posted? Copyright 2005 John Wiley & Sons. Part 1

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  • #16
    Originally posted by kwanitaka View Post
    Copyright 2005 John Wiley & Sons, Ltd. J. Investig. Psych. Offender Profil. 2: 1–21 (2005)​

    Journal of Investigative Psychology and Offender Profiling
    J. Investig. Psych. Offender Profil. 2: 1–21 (2005)
    Published online in Wiley InterScience (www.interscience.wiley.com). DOI: 10.1002/jip.22
    The Jack the Ripper Murders: A Modus Operandi and Signature Analysis of the 1888–1891 Whitechapel Murders
    ROBERT D. KEPPEL, JOSEPH G. WEIS, KATHERINE M. BROWN, and KRISTEN WELCH
    1Sam Houston State University, Huntsville, Texas, USA 1University of Washington, Seattle, Washington, USA

    Abstract
    A number of females, commonly recognized as 11 victims, were murdered in separate events in Whitechapel, London between 1888 and 1891. An evaluation of the murders revealed that six of those murders were linked by a number of distinct, personal signature characteristics, including picquerism, overkill, incapacitation, domination and control, open and displayed, unusual body position, sexual degradation, mutilation, organ har- vesting, specific areas of attack, preplanning and organization, and a combination of sig- nature features. The signature characteristics observed in these infamous Jack the Ripper murders were compared to a 1981–1995 cohort of 3359 homicide cases from Washington State’s HITS database. The analysis revealed that the signature displayed in six of the Whitechapel murders was extremely rare. There were only six records of female victims, one a prostitute, with probed, explored, or mutilated body cavities. There were only two cases, both females who were not prostitutes, where the body was left in an unusual posi- tion and body cavities were explored, probed, or mutilated. Copyright 2005 John Wiley & Sons, Ltd.
    Key words: forensic science; serial murder; signature murder; criminal profiling; crime scene assessment; picquerism; Jack the Ripper

    INTRODUCTION
    Between 1888 and 1891, 11 female victims were murdered in the Whitechapel area of London. At the time, it was not known which of the crimes had been committed by the same killer. To date, there is still wide debate on which victims can be attributed to the same murderer.
    Well, I posted it a few months ago.

    Here is an analysis of the Rippers MO by Journal of Investigative Psychology and Offender Profiling (https://onlinelibrary.wiley.com/doi/pdf/10.1002/jip.22). They examine 11 murders and conclude C5+1

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    • #17
      Originally posted by DJA View Post
      Click image for larger version

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ID:	802725 Might have had a handle.
      And someone then invented the Swiss Knife...

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      • #18
        Originally posted by mpriestnall View Post

        And someone then invented the Swiss Knife...
        Bond, who reviewed all the cases and did the PM on Kelly (yes Kelly not some doble ganger) thought: The instrument must have been a strong knife at least six inches long, very sharp, pointed at the top and about an inch in width. It may have been a clasp knife, a butcher's knife or a surgeon's knife. I think it was no doubt a straight knife.

        He considers a range of options. The type of knife used doesn't really matter, but my bet, for purely practical purposes of easy of transport and speed to get out and put away, would be a 5-6 inch clasp knife, which would remove the problem of safely carrying a foot long blade about and potentially having to runoff with a foot long knife in your pocket. My bet would be on the larger knife used on Tabram.

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