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Forensic Science History and Development of Forensic Science Forensic science is the application of science to criminal and civil laws that are enforce by police agencies in a criminal justice system. Forensic science began with those individuals who developed the principles and techniques necessary to identify or compare physical evidence, and with those who recognized the necessity of merging of those principles into a coherent discipline that practically applied to the criminal justice system. 1 1. Many believe that Sir Arthur Conan Doyle, Doyle, through his fictional character, Sherlock Holmes, popularized scientific crime detection methods. It was Holmes who first applied the principles of serology the study of blood, fingerprinting, firearm identification, and document examination long before their value was first discovered and implemented by real life criminal investigators. The following are some pioneers who made early contributions to formulating the disciplines that now constitute forensic science: 2 2. Mathieu Orfila “Father of Modern Toxicology” Mathieu Joseph Bonaventure Orfila (April 24, 1787 - March 12, 1853) was a French toxicologist and chemist. Publications: Trait des poisons or Toxicologie generate (1813)* Elements de chimie medicate (1817) Leons de médecine legate (1823) Trait des exhumations juridiques (1830) Recherches sur lempoisonnement par lacide arsenieux (1841) Orfila cont’d His fame rests mainly on the firstnamed work, published when he was only in his twentyseventh year. It is a vast mine of experimental observation on the symptoms of poisoning of all kinds, on the appearances which poisons leave in the dead body, on their physiological action, and on the means of detecting them. 3 3. Alphonse Bertillon “Father of Criminal Identification” Alphonse Bertillon was a French policeman who believed that people could be physically identified to a certainty by conducting a series of measurements. His theory was that by using 11 different measurements from a person's body, he could accurately establish their identity at a later date. This system of identifcation is known as Anthropometry. Today, we use photographs and fingerprints as the standard for offender identification (booking). Alphonse Bertillon “Father of Criminal Identification”. Developed a system of identification called anthropometry. 4 The areas of measurement were chosen randomly. After discarding some measurements, Bertillon decided to use the breadth of the outstretched arms, head length and width, left foot length, left little finger length, trunk height, body height, width and length of the right ear, length of the left forearm, and the length of the left foot. 5 Bertillon also included fingerprints as part his new system which he called "anthropometrics". Bertillon's system became popular with law enforcement during the 1880s. Offenders were measured, photographed and fingerprinted during their booking process. However, in 1903 something occurred which caused law enforcement to discard Bertillon's system of identification. A Bertillon "booking" Card 6 Bertillon Fingerprint Card What happened to Bertillon in 1903? In 1903, a prisoner by the name Will West was sentenced to incarceration at the United States Penitentiary at Leavenworth, Kansas. During his inprocessing, the records clerk obtained Will West's Bertillon measurements and photograph. Will West denied ever being incarcerated at the facility. 7 Will West's Bertillon Measurements 178.5; 187.0; 91.2; 19.7; 15.8; 14.8; 6.6; 28.2; 12.3; 9.7 The records clerk, having referenced his Bertillon measurements into the system, retrieved the Bertillon card for a William West. Will West denied that the William West card was his. Subsequent investigation disclosed that William West had previously been incarcerated in the facility until September 9, 1901. By examining the photographs, one can see the failure of the Bertillon system. 8 Compare the Bertillon measurements in particular, keeping in mind the various factors that would affect the measurements. This failure strengthened the science of fingerprints as the normally accepted method of personal identification. The authorities compared their fingerprints and determined that Will West was not the previously recorded William West. Recent opinions suggest that Will and William West were related, therefore the closeness in measurements and appearance. As a result of this incident, Bertillon's "anthropometric" identification system was quickly discarded in favor of fingerprints. Will West William West 9 4. Frances Galton Frances Galton undertook the first definitive study of fingerprints as a method of identification. Developed a methodology of classifying them in 1892. His work described the basic principles that formed the present system of identification by fingerprints. Francis Galton Developed a method of classification for finger prints. Publication: “Finger Prints” – a statistical proof of uniqueness of finger prints Wrote the basic principles of the present system of identification by finger print analysis. Cousin to Charles Darwin 10 5. Leone Lattes Furthered the work of Dr Karl Landersteiner Leone Lattes discovered that blood can be grouped into different categories. Since 1915, blood types have been recognized as A, B, AB, and O. Developed a test to type dried blood that is used for criminal investigations. Today, his procedure is utilized often by forensic scientists. 6. Calvin Goddard Bullistics – chemical analysis to tell whether a gun has been fired or not. Use of a microscope to determine if a the tool marks on a fired bullet matches a specific gun. Established the comparison microscope as an indispensible tool of the fire arms examiner. 11 7. Albert S. Osborn Fundamental Principles of Document Examination. Book: Questioned Documents (still used today) Handwriting analysis Document examinantion Paper examination 8. Walter C. McCrone Microscope techniques McCrone Research Institute – Chicago IL World renown for microscope and microscope trace evidence detection. Did analysis on the “Shroud of Turin”. 12 9. Hans Gross Wrote the first treatise on – Application of Science Disciplines to the Field of Criminal Investigation. Book – Criminal Investigation: use of microscope, chemistry, mineralogy, zoology, botany, and anthropometry. Forensic Journal – to report new and improved methods of scientific crime detection. 10. Dr. Edmond Locard Established the first workable crime lab. Founder and Director of the Institute of Criminalistics at the University of Lyons. International Center for the study and research in forensic science. Wrote: Locards Exchange Principle 13 Locards Exchange Principle States and believes that every criminal can be connected to a crime scene by dust particles carried to the crime scene, transfer occurs whenever a criminal comes into contact with objects or a person. 14