Crime Mapping: Predicting A criminal's Journey To Crime

Forensic Psychology



Crime Mapping: Predicting A criminal's Journey To Crime is the latest article to be added to the Forensic Psychology eBook Collection. Originally published by the Institute of Justice this very useful article addresses the utility of computer programs as crime-solving tools.

Among the topics discussed are geographic profiling and the future of crime mapping. You can download and read this article for free by Clicking Here.

You can access all the freely available forensic psychology publications via the following link.

Forensic Psychology eBook Collection.

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Crime Mapping: Predicting A criminal's Journey To Crime

Forensic Psychology Blog: The Zodiac Killer

Forensic Psychology



If you head over to the official website for David Fincher's Zodiac film not only can you find out all about this infamous serial killer case, but you can also watch videos discussing the case in relation to Geographic Profiling, Behavioral Profiling & Linguistic Analysis.

You can visit the Zodiac website by Clicking Here

Related Material

Last year I did a forensic psychology blog post on Douglas Evander Oswell who has spent over 10 years researching the methods, motives, psychological attributes and connection between the Unabomber and the Zodiac.

This forensic psychology blog post included a link to an interview with Oswell in which he outlines the striking connections between the two cases as well as discussing the distinction between serial killers, recreational killers and mass murderers.

You can access this forensic psychology blog post by Clicking Here

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Forensic Psychology Blog: The Zodiac

Expanding The Use of Geographical Profiling

Expanding The Use of Geographical Profiling



Read a very interesting news article about how geographic profiling techniques are going to be employed to help Canadian military forces uncover the supply chain for deadly roadside bombs and other explosive devices in Afghanistan. The plan is to produce threat maps which give a probability of where bomb making factories, meeting points and organization points are likely to be.

How Does Geographical Profiling Work?

Geographic profiling works on the premise that the location of a crime site can provide vital information. It assesses and predicts the offender’s most likely place of residence, place of work, social venues and travel routes etc.

Geographic profiling consists of both quantitative (objective) scientific geographic techniques and qualitative (subjective) components e.g. a reconstruction and interpretation of the offender’s mental map.’

The primary geographic technique is a computerised system known as Criminal Geographic Targeting (CGT). Put simply, spatial data i.e. data relating to time, distance and movement to and from the crime scenes is analysed to produce a three-dimensional model known as a jeopardy surface.



The jeopardy surface contains height and colour probability codes which when superimposed onto a map of the area in which the serial crimes have been committed give an indication of the likelihood of offender residence or place of work.

Recommended Reading



Geographic Profiling by Kim Rossmo introduces and explains a cutting-edge investigative methodology used to analyze the locations of a connected series of crimes to determine the most likely area of offender residence. It allows investigators and law enforcement officers to effectively manage information and focus their investigation.

This work explains geographic profiling theories and principles, and includes an extensive review of the literature in the areas of criminal profiling, forensic behavioral science, serial violent crime, environmental criminology, and the geography of crime. Geographic Profiling provides many tables and figures, including color plates, and a glossary, as well as case descriptions of some of the most notorious serial killers in the history of American justice, from Albert DeSalvo and David Berkowitz to Aileen Wuornos and Jeffrey Dahmer.

Click Here For Full Details

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www.all-about-forensic-psychology.com

A Free & Comprehensive Guide to The World of Forensic Psychology

Jack The Ripper: E-Fit Picture & Geographic Profiling

Read a really interesting article in the Independent (UK broadsheet newspaper) which reported on the attempts to apply modern investigative techniques to the Jack The Ripper case, the imfamous serial killer who terrorised London in 1888 and was never caught.

E-Fit of Jack The Ripper



As part of the new investigation John Grieve, a former deputy assistant commissioner of the Metropolitan Police, who headed the anti-terrorist branch and the force's homicide squad, compiled an image of the Ripper. Drawing on statements from 13 people who claimed to have seen the man they suspect was the killer, Mr Grieve had an e-fit drawn up. Contradictory descriptions were ignored and the image was based on similar witness statements.

The image shows a man aged between 25 and 35 and is 5ft5in to 5ft 7in tall. He has a large black moustache, close cropped black hair, a pinched face and square jaw.

Geographic Profiling



The newspaper report also notes that the pioneer of geographic profiling Kim Rossmo (pictured above) has recently pinpointed where Jack The Ripper most likely lived. Geographic profiling is an information management system and investigative methodology that evaluates the locations of connected serial crimes to determine the most probable area of offender residence. Based on the locations of the killings and reported sightings, Dr Rossmo concluded that Jack the Ripper was a resident of the square mile area in which he killed; and it is highly likely that He lived in Flower and Dean Street. In 1888 the police conducted door-to-door inquiries in Flower and Dean Street. Each of the victims had lived within 100 yards of the street.

More Information



There is a page dedicated to geographical profiling on the main forensic psychology website.

http://www.all-about-forensic-psychology.com/geographic-profiling.html



On my other blog, I posted an item entitled "Going Beyond The Mo: Criminal Profiling, Jack The Ripper And Signature Behavior". The article draws upon Robert Keppel's analysis of the Jack the ripper murders in order to examine the concept of signature behavior and how this differs from the offender’s Modus Operandi. You can find this other Jack The Ripper blog item listed under previous posts.

http://all-about-forensic-psychology.blogspot.com/