Showing posts with label crime. Show all posts
Showing posts with label crime. Show all posts

Wednesday, July 24, 2013

Understanding Profiling


To truly understand profiling you must first look at the basic definition of it. With that in mind, then take and break it down into the different areas of profiling. The basic definition of profiling, according to the World English Dictionary, is as follows:  The use of personal characteristics or behavior patterns to make generalizations about a person, such as gender, unique characteristics (such as scars), hair color, color of eyes or skin, nationality. The use of these characteristics is to determine whether or not a person may be engaged in illegal activity.
            Racial profiling is considered to be used by law enforcement in deciding whether to engage in enforcement of the law, such as making an arrest or a traffic stop. It uses an individual’s race or ethnicity to make these decisions. It is controversial and in some jurisdictions illegal.
            Criminal profiling (or offender profiling) is described as using numerous factors such as race, dress, and interactions to determine whether or not a person is involved in criminal activity. Various aspects of the criminal’s personality makeup are determined from his/her choices before, during, and after the crime.
            Predictive profiling attempts to guess who is likely to commit a crime that has not happened yet. This type of profiling occurs when a police officer, while patrolling, observes and tries to spot suspicious behavior that could mean a crime is going to take place.
            Psychological profiling is a method of suspect identification which seeks to identify a person’s mental, emotional, and personality characteristics, which are manifested in things done or left at the crime scene.
            There are four phases of profiling that profilers attempt to collect to determine the personality of the offender:
            1.  Antecedent:  What fantasy, plan, or both did the murderer have in place
                  before committing the crime? What triggered the murderer to act some 
                  days and not others?

            2.  Method and manner:  What type of victim/s did the murderer select, and
                  what method and manner of murder did he/she use? Shooting, stabbing,
                  strangulation, or something else?
               
             3.  Body disposal:  Did the murder and body disposal take place at one
                  location or multiple locations?

            4.  Post-offence behavior:  Is the perpetrator trying to inject himself into the
                 investigation by reacting to media reports or contacting investigators?

            In the case of serial killers a phase of criminal profiling is case linkage, which is the process of determining if there are connections between two or more unrelated cases. Involved is the establishment and comparison of physical evidence, victimology, crime scene characteristics, modus operandi, and signature behaviors between each of the cases.

            As you can see there are numerous categories of profiling. As a writer, knowledge is imperative to making our story sound convincing. Do not just write, but know what you are writing.

Faye M. Tollison
Author of:  To Tell the Truth
Upcoming books:   The Bible Murders
                                Sarah’s Secret
Member of:  Sisters in Crime
                     Writers on the Move
           
                  
            

Thursday, September 27, 2012

The History of Fingerprinting


            As I dug into the history of fingerprinting, I was amazed at how old the art was. Now as writers we are generally more interested in how fingerprinting is used in crime situations, but how it all came about should give you an appreciation of it.
            It surprised me to learn that the art of fingerprinting came into being back in 1000-2000 B.C. and was used an clay tablets for business transactions. My guess is this was their form of a signature. It was in 14th Century A.D. that a physician notices that no two fingerprints were alike.
            In the 1600’s the microscope was invented, and in 1686 at the University of Bologna in Italy a professor takes note of the spirals, loops, and ridges in fingerprints. It was not until 1823 that Johannes Evengelista Purkinje, a professor of anatomy with the University of Breslau in Prussia, wrote a thesis detailing a full nine different fingerprint patterns. Fingerprinting was a standard use for identification, especially on documents and contracts. In 1882 Gilbert Thompson, employed by the U.S. Geological Survey in New Mexico, uses his fingerprints on a document to guard against forgery. In the 1800’s Sir Francis Galton started studying fingerprints and in 1892 published a book, Fingerprints. It was the first of this type book which detailed the first classification system called Galton’s Details for fingerprints. This system is still to an extent used today. This same year Juan Vucetich, an Argentine police official, started the first fingerprint files based on Galton’s Details. He made history that year by making the first criminal fingerprint identification.
            In 1896 Sir Edward Richard Henry, a British official instituted a fingerprinting program for all prisoners. In 1902 the Director of the Bureau of Identification of the Paris Police made use of the first criminal identification of a fingerprint without a known suspect. In the meantime the testing of the first systematic use of fingerprints in the U.S. is performed by Dr. Henry P. DeForrest. After that the use of fingerprinting spreads, and by 1911 the first central storage location for North America was established in Ottawa by Edward Foster of the Dominion Police Force. Today it is maintained by the Royal Canadian Mounted Police. By 1924 the Identification Division of the F.B.I. was created.
            The 1990’s he Automated Fingerprint Identification Systems had widespread use around the country. Fingerprinting of children became the vogue by 1996 for investigative purposes.
            I was totally amazed that the history of fingerprinting went back as far as Babylon. Once it was discovered that no two people have the same fingerprints, the significance quickly accelerated over the years until law enforcement had one of the most important investigative tools known to man.
            There is one thing I would like to mention. As fingerprinting advanced to greater technology, criminals also became innovative in erasing their fingerprints from their fingertips with acid. Painful but effective.

Faye M. Tollison
Author of: To Tell the Truth
Upcoming books: The Bible Murders
                              Sarah’s Secret
Member of: Sisters In Crime
                    Writers on the Move