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Questioned document examination (QDE) is the forensic science discipline pertaining to documents that are (or may be) in dispute in a court of law. The primary purpose of questioned/forensic document examination is to answer questions about a disputed document using a variety of scientific processes and methods. Many examinations involve a comparison of the questioned document, or components of the document, to a set of known standards. The most common type of examination involves handwriting wherein the examiner tries to address concerns about potential authorship. A document examiner is often asked to determine if a questioned item originated from the same source as the known item(s), then present their opinion on the matter in court as an expert witness. Other common tasks include determining what has happened to a document, determining when a document was produced, or deciphering information on the document that has been obscured, obliterated or erased. The discipline is known by many names including forensic document examination, document examination, diplomatics, handwriting examination, or sometimes handwriting analysis, although the latter term is not often used as it may be confused with graphology. Likewise a forensic document examiner is not to be confused with a graphologist, and vice versa. Many document examiners receive extensive training in all of the different aspects of the discipline. As a result they are competent to address a wide variety of questions about document evidence. However, this "broad specialization" approach has not been universally adopted. In some locales, a clear distinction is made between the terms forensic document examiner and a forensic handwriting expert/examiner. In such cases, the former term refers to examiners who focus on non-handwriting examination types while the latter refers to those trained exclusively to do handwriting examinations. Even in places where the more general meaning is common, such as North American or Australia, there are many individuals who have specialized training only in certain relatively limited areas. As the terminology varies from jurisdiction to jurisdiction, it is important to clarify the meaning of the title used by any given individual professing to be a "forensic document examiner".
[edit] Scope of document examinationA forensic document examiner is intimately linked to the legal system as a forensic scientist. Forensic science is the application of science to address issues under consideration in the legal system. Common criminal charges involved in a document examination case fall into the "white-collar crime" category. These include identity theft, forgery, counterfeiting, fraud, or uttering a forged document. Questioned documents are often important in other contexts simply because documents are used in so many different contexts and for so many different purposes. For example, a person may commit murder and forge a suicide note. This is an example wherein a document is produced directly as a fundamental part of a crime. More often a questioned document is simply the by-product of normal day-to-day business or personal activities. A forensic document examiner deals with items that form part of a case which may or may not come before a court of law. The many types of possible examinations include the following:
Some forensic document examiners limit their work to the examination and comparison of handwriting but most inspect and examine the whole document in accordance with this ASTM standard. [edit] What sort of documents are examined?Documents feature prominently in all manner of business and personal affairs. Almost any type of document may become disputed in an investigation or litigation. For example, a questioned document may be a sheet of paper bearing handwriting or mechanically-produced text such as a ransom note, a forged cheque or a business contract. Or it may be some material not normally thought of as a 'document'. Forensic document examiners define the word "document" in a very broad sense as being any material bearing marks, signs or symbols intended to convey a message or meaning to someone. This encompasses traditional paper documents but also includes things like graffiti on a wall, stamp impressions on meat products, or covert markings hidden in a written letter, among other things. [edit] Historical cases
Although the crimes were committed some time before the discipline of document examination was firmly established, the letters of the Jack the Ripper case have since been examined in great detail. [edit] CandidacyA person who desires to enter a career of forensic document examination must possess certain traits and abilities. First and foremost, excellent eyesight is required in order to see fine details that are otherwise inconspicuous. The aspirant must also pass a form blindness test in order to ensure that the aspirant does not suffer from the condition of being unable to tell apart two similarly-appearing, yet different, items. Similarly successful completion of a test for color perception is normal. A bachelor of science degree, or equivalent, is also required as it gives the aspirant a scientific background with which to approach the work in an objective manner, as well as bestowing necessary biological, physical, and chemical knowledge sometimes called upon. ASTM Standard E2388-05 (Standard Guide for Minimum Training Requirements for Forensic Document Examiners) has "an earned baccalaureate degree or equivalent" as one of several requirements. Additional desirable skills would include knowledge of paper, ink, printing processes, or handwriting. [edit] TrainingThere are three possible methods of instruction for an aspiring document examiner:
A more extensive listing relating to forensic training may be viewed at the website for the Canadian Society of Forensic Science There are some distance learning courses available as well. These are taught through a virtual reality classroom and may include an apprenticeship and/or a correspondence course. A forensic document examination trainee must learn how to present evidence before the court in clear, forceful testimony. Fledgling examiners in the later stages of training can get a glimpse into the legal process as well as a better sense of this aspect of their work through participation in a mock trial or by attending actual court hearings to observe the testimony of qualified examiners. [edit] Examination[edit] HandwritingThe examination of handwriting to assess potential authorship proceeds from the principle of identification which can be expressed as: "Two writings are the product of one person if the handwriting characteristics, when taken in combination, are sufficiently individual and there are no fundamental unexplainable differences." Generally, there are three stages in the process of examination[1]. In brief, they are:
ASTM International has published a standard guide for the examination of handwriting entitled "E2290-03: Examination of Handwritten Items". Note: some of the guides listed under "Other Examinations" also apply to forensic handwriting comparisons (eg. E444 or E1658). An alternative examination method for handwriting and signatures has been developed by the Forensic Expertise Profiling Laboratory (School of Human Biosciences, La Trobe University, Victoria, Australia). The method is divided into 11 modules and may be accessed online at http://www.latrobe.edu.au/humanbio/forensic/method_online.htm Visit the European Network of Forensic Handwriting Experts (ENFHEX) website for information pertaining to methods endorsed by this group. [edit] Other ExaminationsAside from E2290 mentioned above, many standard guides pertaining to the examination of questioned documents have been published by ASTM International [2]. They include the following:
Visit the European Document Experts Working Group (EDEWG) website for information pertaining to methods endorsed by this group. [edit] Common tools of the trade
[edit] Professional organizationsLinks are provided below [edit] Dedicated to FDE
[edit] General Forensic Science Associations with FDE sections
[edit] Academic/Research Groups with interest in FDE
[edit] Certification[edit] ABFDEA document examiner may be certified by the American Board of Forensic Document Examiners, Inc. (ABFDE), which was formed in 1977 with a grant from the U.S. Department of Justice. The ABFDE is one of two bodies accredited and recognized by the Forensic Specialties Accreditation Board, Inc (FSAB) to carry out certification of forensic document examiners. To date, there is no federal licensing involved in the discipline. However, the court has recognized the ABFDE as reputable in the case of U.S. v. Buck, 1987, in denying a motion that claimed that handwriting comparisons were unreliable. An applicant to the ABFDE for certification must meet the following requirements:
In addition to meeting the basic requirements listed above, an applicant must also pass comprehensive written, practical and oral examinations that explore the wide range of problems encountered in document examination. Certificates issued by the ABFDE are valid for five years, and can be renewed. During that five-year renewal period, the diplomate must earn at least 40 continuing education credits. Credits are awarded for a variety of related activities, such as attendance and participation at ABFDE recognized forensic meeting and programs, and publication of articles in journals recognized by the Board. Individuals holding a valid Certificate of Qualification issued by the ABFDE will use the designation "Diplomate of the American Board of Forensic Document Examiners." ABFDE History John J. Harris sat as the inaugural chairman in 1977, and in the following year, the Committee of Certification was created. The board states its objectives as “to establish, maintain and enhance standards of qualification for those who practice forensic document examination, and to certify applicants who comply with ABFDE requirements for qualified specialists.” Backed by the American Society of Questioned Document Examiners (ASQDE), Canadian Society of Forensic Science (CSFS), and the American Academy of Forensic Science (AAFS), the ABFDE ensures that the applicant satisfies a number of standardized requirements with regular testing to ensure that the examiner performs at the same high level of professionalism, as do the other people in the trade. More-so than merely denoting the attainment of certain academic and minimum standards, board certification indicates that the examiner cares enough about the profession to spend time and effort to adequately prepare himself or herself to properly serve the public. Courts must assess the credibility of the document examiner as an expert witness and to do this they will often rely upon the examiner’s reputation in the profession together with his or her affiliations with credible professional organizations. [edit] BFDEThe Board of Forensic Document Examiners (BFDE) also provides certification of forensic document examiners. The BFDE is another body accredited and recognized by the Forensic Specialties Accreditation Board, Inc (FSAB) in this area. [edit] Notes
[edit] ReferencesThe literature relating to forensic document examination is very extensive. Publications in English, French, German and other languages are readily available. The following is a very brief list of English-language textbooks:
[edit] External links
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