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Criminal Profilers’ Work and Role Research Paper

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Updated: Sep 2nd, 2021

We have seen Jonathan Demme’s in his Hollywood version of profiling in “The Silence of the Lambs,” which is written by Tom Harris. The professional assistance of John E. Douglas and Robert K. Ressler the two masterminds behind this movie. They‘re now retired primary experts on criminal personality profiling and pioneers of recent criminal analytical analysis. However, this is a work of fiction and is not truly realistic in its depiction of the serialized murderers, and their hunters, such as ‘Harris combines’ attributes of numerous different sorts of offenders and personality dynamics who would be extremely dubious about coexisting in one person in real life. In this article, I aim to de-mystify the work and role of real-world profilers.

The Investigative Support Unit is the major and very vast source of research and development on criminal profiling nowadays. It was started in the fifth decade of the last century as the “Behavioral Science Unit.” The mastermind behind this program (this remains controversial) the two Federal Bureau of Investigation (FBI) employees, Howard Teten and Pat Mullany. And now, this is a part of the National Center for the Analysis of Violent Crime (NCAVC).

It’s one of the major components of the Critical Incident Response Group (CIRG), and it also consists of agents and professionals with training in behavioral or forensic science as well as consultants from the mental health professions. The NCAVC has collected large amounts of information of criminals, on the backgrounds, family characteristics, current actions, and psychological qualities of various types of criminal offenders partly obtain through the interviews and also with dozens of convicted criminals such as serial murderers. The Investigative Support Unit offers specific training in addition to professionals such as detectives, psychologists, and lawyers around the globe.

In December of 2001, in Los Angeles, there’s a man from Middle Eastern tumble called Assem Bayaa passed the entire security bearer of the Los Angeles International airport (LAX). He has American citizenship, and he got the plane to New York. He had been scarcely gotten matured in his seat and told that he made the passengers uncomfortable by the creature on getting on the plane, and once Bayaa got off the plane, there were no more searches or questioned any further.

The just solace given was a boarding pass for the next flight to New York. His luggage had checked wasn’t even taken off the plane that he was originally on. Lawsuit on the basis of discrimination against United Airlines filed by him and filed a proposal that said that only for the national security; they don’t have to obey civil rights protection laws. In the last, the action was dismissed on October 11, 2002.

A decision come by the district judge ruled that a pilot’s judgment “does not grant them a license to discriminate” (The Advocate of Santa Clara University School of Law Newsletter). This is an example of prejudice and discrimination. The whole episode was an act by confidential individuals. There were not any types of interception of any government agency as in these decision-makers. It also shown some illustrate and potential toward abuse of racial profiling.

A lady is known as Kate McCann was reviewed on the orders of a judge as police fight and collect enough evidence to charge her. She emerged last night. Investigating judge Pedro dos Anjos Frias is predictable to order that Madeleine’s mother go to Portugal for a clean grilling more the indictment that she unintentionally killed the slight girl and then mounted a sophisticated cover-up with her husband, Gerry. Then the detectives futile to remove a confession from the couple in two days of heated confrontations in Portugal. Police fear their case may founder without one. The besieged McCanns who were made “arguidos,” that is, bureaucrat suspects.

A week ago yesterday challenged officers to come up with a body discard their campaign to “frame” them. Kate and Gerry McCann doggedly have a will that their daughter could still be alive, and then they’re confounded that the police case against them is undermining the search for Madeleine. Madeleine kidnapped their daughter 135 days ago from their holiday apartment in the Algarve. Portuguese police made the shocking estimation that Madeleine’s body “may no longer exist” yesterday. One of their senior detectives said investigators to suppose that Madeleine possibly will have been killed and her body dumped at sea in a bag, weighed down with stones.

A model of criminal behavior is known as Bayesian network (BN) that obtains connecting the action of a criminal on the picture of the crime to his or her psychological profile. The Structural and parameter of the BN model is learning algorithms are employed to find out intrinsic relationships, which are entrenched in a database that containing crime scene and offender characteristics, from slaughter cases that have been solved by the British police from the 1970s to the early 1990s.

A system has been created in this model to reduce the search room of likely BN structures by modifying the gluttonous explore K2 knowledge algorithm that includes a-priori provisional independence relatives among nodes. In this new algorithm, the requirement of fewer training cases to build a satisfactory model that avoids ‘zero marginal probability’ (ZMP) nodes. There could be a huge benefit in applications where extra data may not be easily available, e.g., criminal profiling. Once this BN model is constructed, to production an offender, a deduction algorithm is used that predicts the offender profile from the behaviors observed on the crime scene.

The overall model predictive exactness of this BN model obtained by the modified K2 algorithm is found to be 79%, showing a 15% enhancement with respect to a model that was obtained from the same data by the original K2 algorithm. This technique is quantified by the uncertainty associated with its predictions, which is based on the evidence used for inference. In fact, the increment of predictive accuracy is found with the confidence level provided by the BN. Thus, the carriage level provides the user with calculating of reliability for each jagged predicted in any given case. These results show that a BN model of criminal behavior could provide a classy decision tool that is helpful to reduce the number of suspects in a homicide case that was based on the evidence at the crime scene.

The Group of Specialists who has specialization in Criminal Law and Criminological Aspects of Organized Crime was created in 2000 that is replacing and continuing the work of the Committee of Experts on Criminal Law and Criminological Aspects of Organized Crime, which had been found in 1997. Its conditions of reference state that the Committee should – inter alias – take out best practice surveys to revise obtainable solutions to battle organized crime in associate States, as examples for another member States.1. The crime analysis for such a survey was elected for the following reasons: Crime analysis is not a new working method of law enforcement authorities.

However, as a number of practitioners refute important improvements in this field, some countries have made it a specific regulation. It was so found essential to try to settle on the real latent of crime analysis. A wide variety of factors appear pertinent in this admiration.

Just to state a few: the increase in making state authorities accountable for their action. In exacting in the beam of the new challenge of fighting crime §undeniable positive results achieved through various types of crime analysis, including criminal profiling and strategic analysis § the fact that result-oriented and targeted approaches tend to become an imperative policy-making methodology § the enhanced police co-operation in Europe and the development of the European Union 3rd pillar, and the subsequent dissemination of ideas and experiences § the necessity to optimize the efficiency of public authorities in a context of shrinking public resources and/or reduced public interventionism § the post-1989 international political background and the focusing on extra interior intimidation which is including with the knowledge of former clandestine services § the greater intellectual competition on the service and labor markets § the availability of computer-powered software for sophisticated data processing and visual presentation of complex relationships.

§ A number of countries have decided to apply crime analysis using different approaches. Consequently, it was found worthwhile to study the experience gained so far in order to determine whether it was possible to draw a typology and lessons for policymakers in other countries. § Organised crime is a sophisticated and innovative form of crime (involving economic, financial, and technological sectors, among others).

Sophisticated and innovative approaches to crime have thus become a necessity. § Taking into account that crime analysis reflects, in reality, various kinds of activity (operational work, preparation of the decision and policy-making), crime analysis appears to be a technique for better-targeted crime policies, in particular keeping in mind the shrinking of public resources and the accountability of policymakers and authorities.


Bayesian Network Modeling of Offender Behavior for Criminal Profiling, by Kelli Crews Baumgartner, Silvia Ferrari, and C. Gabrielle Salfati. Web.

CRIME ANALYSIS, Organised crime – Best practice survey no. 4. Web.

CRIME RECONSTRUCTION by W. Jerry Chisum, BS & Brent E. Turvey, MS. Web.


Judge to summon Kate McCann back to Portugal. Web.

Introduction to Criminal Profiling. Web.

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IvyPanda. "Criminal Profilers' Work and Role." September 2, 2021. https://ivypanda.com/essays/criminal-profilers-work-and-role/.


IvyPanda. 2021. "Criminal Profilers' Work and Role." September 2, 2021. https://ivypanda.com/essays/criminal-profilers-work-and-role/.


IvyPanda. (2021) 'Criminal Profilers' Work and Role'. 2 September.

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