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Month: September 2017

Acid Phosphatase Reaction as a Specific Test for the Identification of Seminal Stains II

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In a variety of sexual offences, the seminal stain is usually encountered in a dried form on clothing worn by the participants of the offence as well as on other extraneous objects such as carpets, floor, grass, linoleum, mat; turf, wool, wood, and on the vaginal and rectal parts of the passive agent, depending upon the nature and circumstances of offence. The acid phosphatase reaction has now become an indispensable chemical test in the hands of a forensic scientist to identify the presence of semen which is an abundant source of the enzyme acid phosphatase (1). This enzyme acts optimally on monoesters of phosphoric acid at pH values around 5 to 6 (2). This test has been successfully employed to obtain a proof of the presence of seminal stains (3-12). The acid phosphatase reaction is a typical test in which the suspected seminal stain or an extract...

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Aggression homicide and rejection homicide: a communicative classification of homicide

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Abstract

Based on a 10-year sample of homicides (n = 50), the hypothesis was tested that it is possible to differentiate between aggression and rejection homicide. The aggression homicide results from the offender/victim relationship, which is no longer accepted for some reason. In contrast, in the rejection homicide the offender radically strives for a goal which can only be reached if the victim is eliminated. Based on forensic-psychiatric expert opinions (n = 50), the case analyses yielded 31 aggression homicides and 18 rejection homicides, one case could not be classified. Aggression homicides differed significantly from the rejection homicides with regard to their main motives. Hate in quarrel (n = 8), violent occupation of the victim (n = 7), delusions (n = 5), revenge (n = 3), self-defence (n = 2), and jealousy (n = 1) characterized the aggression homicides, whereas rejection homicides were dominated by economic motives (n = 14). Two offenders intended to get rid of the victim and one...

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The “Pseudocommando” Mass Murderer: A Blaze of Vainglory

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The term “pseudocommando” was first used to describe the type of mass murderer who plans his actions “after long deliberation,” and who kills indiscriminately in public during the daytime.2 He comes prepared with a powerful arsenal of weapons and has no escape planned. He is sometimes described as having the intent to die in a “blaze of glory.” Since glory has been defined as “a state of great gratification or exaltation,” the clich to go out in a blaze of glory would seem to be a perverse turn of phrase, maonsidering the unfathomable pain and tragedy these individuals cause. This article briefly explores what is known about the mindset of the pseudocommando mass murderer and how he transforms his desire for revenge into a perverse sense of honor, which allows him to justify his actions. On July 22, 2011, Norway experienced the immeasurable fallout from a pseudocommando whose perverted sense of honor and...

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Elderly Female Serial Sexual Homicide: A Limited Empirical Test of Criminal Investigative Analysis

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Abstract:   The purpose of criminal investigative analysis is to assist law enforcement in identifying and apprehending violent offenders by discerning important suspect and crime scene characteristics. Criminal investigative analysis grew out of micro-level reviews of unusually violent crime cases. Lack of agreement as to what constitutes criminal investigative analysis has led some to view the process as more art than science. In an effort to clarify some of the issues, this study analyzed cases of serial sexual homicides of elderly women. Although the sexual homicide of elderly women is a small percentage of overall homicides in the United States, the study provided empirical evidence supporting use of criminal investigative analysis in solving these unusual cases. The study also revealed several points that merit further discussion: (1) Criminal investigative analysis is not simply impressionistic, but is based on practical and sound analysis by investigative analysts; (2) Elderly female sexual homicides illustrated an intra-racial offending pattern; and (3)...

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3D Laser Scanning Services – Law Enforcement

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3D Laser Scanning is one of the best innovations in Law Enforcement and Criminal Defense in the last 50 years.  With 3D Laser Scanning you can scan a crime scene, a crash site, a catastrophic event and with a few scans capture all the data necessary to completely and thoroughly study the events that took place.

True 3D means you have the ability to look at a scene from any point of reference.  You can see what the victim was looking at as well as the intruder.  You can clearly show a jury what a driver in a car saw the moment before impact in ¼ inch detail.  3D scans are court admissible as the original files are unalterable.

This technology is regularly used by police forces, the FBI, and Criminal Defense teams from coast to coast.  It is the most precise way that exists to collect evidence and not disturb it at all.... 

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