importance of photography in questioned document examination

a. Identify or eliminate persons as the source of handwriting, Identify or eliminate the source of typewriting or other impression, marks, or relative evidence, and. D. The other bees are more important than she is. This document contains an unsolicited letter of gratitude from one of Marks many satisfied clients. These may be manufacturing defects, such as defective die material, distortion, or misalignment, or may be a result of use (e.g., accumulated ink, dirt, or fibers) or misuse. Some fax machines also allow the user to reprogram certain formatting characteristics, which may make it more difficult to accurately discern the make and model of the source machine. a. Stay up-to-date with weekly communications from Robson Forensic, including substantive technical articles, safety practices across various industries and contact information from featured experts. Melting the polyethylene glycol, by heating the printed paper to 60 C. Melting soaked polymer into paper, resulting in a translucent area. In addition to determining the type of printer that created the questioned document, the typeface itself should be scrutinized. Promote self-regulation, documentation, training, continuing education, and research (ibid). For example, a fraudulent entry in a will may be added with ink that is visually similar but chemically different from that of the rest of the document, indicating that it was not included at the time of its original writing. Questioned documents may include markings from rubber stamps, embossed seals, watermarks, or other mechanically-printed marks. examination of questioned documents began to take serious. The process of creating a scaled drawing using specifically designed computer software, The amount of area in the foreground and background of an in-focus photographic subject that is also relatively in focus, The use of electronic means to capture light and save and image on an electronic medium such as a memory card, The measure of ease with which the silver halide grains of a given film react to light, A type of camera that uses the same lens for viewing and for taking the picture (i.e., the view through the viewfinder or on the LCD monitor shows how the photo will turn out), The setting on a camera that controls the aperture diameter to determine the amount of light transmitted by the lens, a compression method for digital files that decreases the file size without discarding digital data, one million pixels: used to describe a digital camera in terms of sensor resolution, A form that records the details of each photograph taken at a crime scene, The mechanism within a camera that exposes the film or microchip to light for a specific length of time and then closes, The most common methods of crime-scene recording do NOT include which one of the following? The discipline covers wide ranging non-destructive examinations including handwriting, indented impressions, typewriting, printing processes, inks, and paper. var cid='9204290220';var pid='ca-pub-8871633933419324';var slotId='div-gpt-ad-forensicreader_com-medrectangle-3-0';var ffid=2;var alS=2021%1000;var container=document.getElementById(slotId);container.style.width='100%';var ins=document.createElement('ins');ins.id=slotId+'-asloaded';ins.className='adsbygoogle ezasloaded';ins.dataset.adClient=pid;ins.dataset.adChannel=cid;if(ffid==2){ins.dataset.fullWidthResponsive='true';} The preliminary visual inspection of a stamp impression is to examine it microscopically, during which time the examiner may be able to identify a number of factors, including the ink source and condition of the ink die. b. They do allow an investigator to view the document without adding any additional fingerprints or impressions. Silver halide grains Random Watermarks: They are randomly placed on the page. When these watermarks appear in the questioned documents, they can state origin, manufacturer, retailer, and possibly the manufacturing date. d. Low aperture, What feature allows most digital cameras to automatically compensate for color temperatures that deviate from white? Vaurlo in 1959. a. This can include objects like suicide . The second important use of photography in document examination is for recording and presenting evidence. Questioned document examination (QDE) is a forensic science discipline pertaining to documents that are potentially disputed in a court of law. Documents may be defined broadly as being any material bearing marks, signs or symbols intended to convey a message or meaning to someone. Study the photograph on page 662662662. Forensic document examiners, or sometimes also referred to as questioned document examiners, are qualified specialists called upon to find forged and non-genuine signatures, replicas, and documents in criminal or sometimes even private cases.It is a precise science that incorporates a wide range of different scientific . Computers and Printers These three (fiber accumulation, defects, and logs) properties add additional identification markers to forensic document examinations. For more information contact Mark Songer. Equal 90 percent Then, answer each question that follows. a. out of focus. The lower right picture depicts the . prove indications of genuineness and falsification of documents; LO5. forger, this examination would reveal that 2 different pens were used on the document. The Scientific Response and Analysis Unit provides end-to-end case support, from initial assessment of investigative or intelligence information, "hot zone" capable scientists, crime scene processing and collections, evidence examination, and courtroom testimony regarding: Evidence might include alterations, the chain of possession, damage to the document, forgery, origin, authenticity, or other questions that . 7. Importance Of Identification In Handwriting. Although typewriters have largely fallen into disfavor with the advent of the computer age, forensic document examiners still may be called upon to investigate documents written on a typewriter. More recently, an instrument known as an Electrostatic Detection Apparatus, or ESDA, is used to produce a visual image of the indented writing on transparency film. Forensic document examination has been. They are created when a pattern, text, or image is printed with opaque, transparent, white, or using varnish-based ink. b. the investigator's hands are free to carry out other tasks while recording the notes. Therefore, there is major significance in the detection of forged security papers and banknotes. In forensic science, questioned document examination (QDE) is the examination of documents potentially disputed in a court of law.Its primary purpose is to provide evidence about a suspicious or questionable document using scientific processes and methods. c. detailed notes can be spoken much faster than they can be written. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'forensicreader_com-medrectangle-4','ezslot_3',120,'0','0'])};__ez_fad_position('div-gpt-ad-forensicreader_com-medrectangle-4-0');1. Another way to trace writing is to place carbon paper on top of the original document so that the pressure of the pen will produce a carbon impression upon the lower document. Its like randomly stamping. For example, the examiner determines whether the document was printed in color or black-and-white ink, whether the document was printed with ink or toner, and whether the printing process was impact or non-impact. For example, forensic examiners may be alerted to the possibility of attempts to disguise writing if the pen strokes stop at inappropriate locations or there is evidence of a tremor. Questioned Documents was published in 1910, and a second edition in 1929. Given the poor quality of faxes in general, they are subject to alteration, however, so careful scrutiny should be applied to any discrepancies in pixilation across the document, as well as any variations in handwriting or print type, spelling, punctuation or formatting. A critical part of the job of the document examiner is to present evidence to the parties involved in a document dispute. Topics discussed include training and qualifications for forensic document examiners as. a. In this article, forensic document examiner, Mark Songer provides an overview of forensic document examination. White balance 1. It is also possible to place the original on the document where the writing is required and to trace heavily so that impressions are left on the document beneath, which are then inked. In the first place, questioned document should be photographed promptly in order that a correct and permanent record maybe made of it and its condition. Honeybees, the most commonly known type of bee, are organized social insects. Say a suicide note is found at the investigation scene. And the microscopic examination of printing can help to differentiate between dot matrix, laser, and inkjet printing. Preliminary investigations of questioned paper documents involve testing the color, thickness, weight, weave pattern, and fiber analysis in order to determine the source of the paper. Defining Questioned Documents Computer-generated documents are extremely susceptible to alterations, such as text insertion, cutting and pasting, and page substitution. Ink used for drawing, writing, painting with a pen, pencil, brush, quill or . Type of Watermarks Based on Their Appearance: Forensic Signification of Watermarks: Identification and Individualization, A. Forensic Significance of Physically Manufactured Watermarks, B. Forensic Significance of Chemical Watermarks, C. Forensic Significance of Artificial Watermarks, D. Forensic Significance of Digital Watermarks, estimate date of paper manufacturing using watermarks, Patch watermarks (because a mark patch sewed over rolls). Document May Be Questioned With Respect To Its 1. b. The use of an IR imaging system may be useful in helping examiners to differentiate the original writing from the covering material as well. Localized Watermarks: Appears at a specific position of the page with definite intervals. When fall arrives, drones are driven out of the hive to die. Using this technique, indented impressions have been recovered from up to seven layers of paper beneath the original writings. Whenever typewritten or machine-produced documents are called into question, each page of the document should be carefully compared to all of the other pages of the document, and, whenever possible, compared to collected specimens from the source machine(s). When comparing handwriting from collected specimens, however, it is important to collect contemporaneous writing, or material that was written around the same time period as the document in question. VSC / ESDA / Foram Questioned Document Examination. Questioned document examination is a forensic science discipline in which documents called into question in the legal system are evaluated by a trained examiner. Quick history: First chemical watermark patented by Frans V.E. Tracing a signature or handwriting can be achieved through a number of means, assuming the individual has access to an authentic sample of writing. Therefore, questioned document examiners must consider the consistency of the overall document in order to look for signs of tampering. When summer flowers begin blooming, the queen begins to lay her eggs, numbering a thousand or more per day. Experts are trained to uncover indented writings that may have been added after the fact, altered or missing from an original document. Honeybees live in complex colonies in which large numbers of individuals act together nearly as a single organism. And also known as the Molette Process. Watermarks are frequently visualized simply by using transmitted light or soft x-rays, which produces an image of the density of fibers. This replicates a translucent watermark over the sheet while maintaining sharp edges definition. a. Telephoto lens Aged paper usually has more opaque/translucent marks than the rest of the paper. Typical strategies employed when someone is attempting to disguise their handwriting include changing the slope of the writing or lengthening the terminal strokes and adding curves or other embellishments. explain the words and phrases used in questioned document examination; LO3. Unlike the traditional watermark, which uses wet paper, here a relatively drier paper is used. As the Lindbergh baby trial proved, testimony offered by document examiners in court can be used to strengthen a case, and it could even be a deciding factor for your situation. For example, an infrared light filter, combined with other light sources, causes ink that has faded over the years to be enhanced and therefore legible. The advantages of recording crime-scene notes on an audio-recording device include all of the following EXCEPT: c. Shutter speed As one of the few destructive techniques employed by forensic investigators, a small piece of the document containing the ink is cut away, dissolved in solvent and analyzed. These identifying characteristics do not always offer definitive proof that a document has been altered or tampered with, but in some cases may show conclusively that a document is not authentic. Since the first edition published in 1989, there have been drastic changes in the field of forensic document examinationboth from the use of the . Quick History: Watermarks used in Europe for the first time. The service is also extended to the . Q. The Scientific Working Group for Forensic Document Examination (SWGFDE) is another organization that develops standards in the field of forensic document examination. Questioned document examinations involving facsimile (fax) machines often include questions around the authenticity of a reproduced signature, concerns around whether information has been altered, added, or deleted from a document, or questions about exactly when a fax was transmitted. c. under normal lighting. How did World War I help to bring about the Russian Revolution? Like chemical watermarks, they are also embedded after the production of paper. Furthermore, defects to these raised patterns are highly individualistic. It is important to note, however, that not all distortions in handwriting are the result of intentional disguise. B. Watermark is a distinctive form of image, shape, text, or any design that appears translucent and fainter when light passes through it. Photographs The ABFDE requires that examiners obtain a minimum of a baccalaureate degree and complete a two-year, full-time training program or apprenticeship in a recognized forensic laboratory or with an established examiner in private practice. Any examination involving typewriting should include an evaluation of the class of typewriter, horizontal spacing, typestyle and make and model, and individual characteristics and defects. Simulated Writings and Tracing For paper produced with wood fibers, a very small piece of the questioned document may be cut away and disintegrated in water. Simulated writing occurs when an individual attempts to copy the handwriting of another by making a freehanded drawing of the writing or by tracing authentic writing. Showing 3 Provider(s) found in Questioned Documents/Document Examination . Triton X-100: Added till surface tension in between 27 to 30 dyne. In printers, they are measured by applying wetting tension liquids to paper in order to analyze print-ability, coating lay down, and heat sealability of treated films. Blossoms provide bees with their food-pollen and nectar. Write reports or give testimony, when needed, to aid the users of the examiners services in understanding the examiners findings. Paper is brought in between the arrangement of dandy rolls with stamp marks and supporting cylindrical drum. The examinations primary purpose is to provide evidence about suspicious or questioned documents using a variety of scientific principles and methods. The increasingly ubiquitous use of computers resulting in computer-generated documents has resulted in difficulties for the questioned document examiner. Indented impressions occur when an imprint is left on the paper(s) underlying the one that was forcibly written or marked upon. However, more sophisticated insertions or alterations require careful examination of the document as a whole to identify discrepancies. b. The drones are male bees. 2023 Robson Forensic, Inc. Relation among its parts 5. Alterations 5. A document examiner, trying to determine if the document has been altered by chemical methods, would use which of the following? Another valued method used by forensic experts is called Video Spectral Analysis (or Comparator). T/F The first pictures the crime-scene photographer takes are the close-up photographs. Qde reviewer. Flying from blossom to blossom, the bees pollinate flowers, fruit trees, and vegetable plants. Mark, I can, In this article, Forensic Document Examiner, Mark Songer provides an overview of the cases where forensic document examination can be applied, the techniques and technologies used, and standards that, In this article, forensic document examiner, Mark Songer provides an overview of forensic document examination. Liquid chromatography may be conducted in order to determine the chemical composition of inks used in a document. T/F Digital photography has higher resolution than film photography. Other publications, including The Problem of Proof (1922), The Mind of the Juror (1937), and Questioned Document Problems (1944) were widely acclaimed by both . Research has demonstrated that impressions can be successfully visualized from documents up to 60 years old, provided the papers are not mishandled or stored improperly. Date of printing, or any reference date. The notes can be recorded at the crime laboratory instead of at the crime scene. Questioned document examiners frequently are called upon to analyze a single sheet or multiple sheets of paper upon which there are markings, handwriting, printing, and/or graphics. The goals of SWGDOC published on their website include: Strengthen the content and the enforcement of published performance standards. Document examiner uses their experience and skills to determine the authenticity of a document. Digital Watermark Vs Manufacturer Watermarks Which is better? Questioned documents on issues of their age or date. b. extremely dark or extremely bright. Difficulty/different shade in writing ink pens, pencils, typing, and print over the chemical watermark. Honeybees Paper Analysis 6. Research has also found that faxes may undergo significant dimensional changes that can result in changes in size or even distortion, further complicating the investigation of transmitted questioned documents. c. High f-stop c. Notes should include location of each item of physical evidence that is recovered. Its the same as stamping paper. Using an unqualified document examiner can potentially result in the expert being excluded from testimony and the evidence being considered inadmissible in court. The author, Albert S. Osborn, is called the Father of Questioned Documents. Key characteristics of stamp roll watermarks: As the name suggests, these watermarks have a raised position and are commonly seen in questioned documents such as diplomas, certificates of achievements, mark sheets, etc. Applications of Questioned Document Examination Document Examiners have a crucial role to play in investigations involving a documentary evidence. Person and company to whom watermark refers to. Mark, I can, In this document, forensic document examiner, Mark Songer, provides an introduction to the science of forensic handwriting analysis. Although structural characteristics are often still evident, subtle details, such as hesitations, pen lifting, and retouching may not be reproduced. Watermark is a distinctive form of image, shape, text, or any design that appears translucent and fainter when light passes through it. The ACE-V methodology is one such way of organizing and evaluating data for the purposes of scientific classification and comparison. d. Contrast, Which lens would be best suited to photographing the details of a small but detailed tool mark found at a crime scene? Manila envelopes are also suitable. This article treats the historical and aesthetic aspects of still photography. And with digital watermarks, you just need word processing software to create and print them over the paper. He discusses the steps that a forensic document examiner follows,, This document is a letter that Mark Songer received from a client, thanking him for the impressive work he did in verifying the authenticity of living trust document. Ink can be a liquid, paste or powder which used to produce images, text, or to make designs. in order to determine if a crime occurred and help solve it. Moreover, the extent of pressure is responsible for the watermark opacity. Obliterations or overwritingthe blocking out of portions of writing using some opaque materialalso may be used to obscure writing or other information on the questioned document. d. far from the photographer. These develop into adult drones. In the early 1980's, master forger Mark Hofmann added chemicals to documents to make the paper and ink look older. Photography Scholarship, DAI. Questioned document examination consists of handwriting examination, typewriter examination, and ancillary examinations, and the effectiveness of the examiner depends greatly on courtroom presentation and training. It is sometimes possible to remove the obliterating material using an ordinary rubber eraser, chemical solvent or scraping off the overlying layer, although pains must be taken not to damage the underlying writing. Lets look at how these types of watermarks aids questioned document examiners (QDEs) in their examination of the paper. It can be misleading when intended with forged intention. laboratory work and document examination, write reports which conform to the required format for the laboratory. SERIES OF QUESTIONS TOPIC I: Topic I Know/discuss the relevance and role of questioned document examiners in crime detection Q1 : Q1 A document examiner with a good collection of typewriting samples can often date a typewritten document by the difference in type. . A colony can have up to 60,000 female bees. Quick History: The technique was developed by William Henry Smith in 1848. Drones. This may be particularly salient in the case of forgeries; for example, it may be discovered that the ink on a document is much too new for its purported age. As compared to a freehand copy, tracing a signature often results in a very close approximation of the original; in fact, they may provide a more exact copy of a signature than would normally be found due to natural variations in handwriting. Watermarks also may be useful to examiners as a means of identifying the type of paper, manufacturer, and date of production. This technique has resulted in the recovery of indented impressions on paper up to seven layers beneath the original writing, though findings may vary depending on pen pressure and paper thickness. For cotton fiber-based paper, it may be necessary to use a weak acidic solution to disintegrate the paper into its individual fibers. The importance of ink analysis has been noted in case of obliterations for differentiating the ink on basis of its chemical composition; further, the source and also the age of ink which ultimately gives the approximate age of the document providing leads and clues in the investigation process. IR photography. We first apply oblique or low angled lighting to the furrows of indented writing. Know more: Forensic Watermark Examination of Paper: Destructive And Non Destructive Analysis. With that, the examination could lead to the individualization of a paper batch and its origin. Definition of important terms Photography - the word photography was derived from the Greek word phos meaning "light" and . Note taking Part A Based on information in the article, what conclusion can you draw about the queen bee? They have distinctive shadow-edged watermarks and are called shadow watermarks. c. Normal lens Tracing paper may be placed over the genuine writing or a light box may be used to illuminate the underlying writing so that the overlying paper may be traced upon. Any. The objective of this article is to focus and evaluate the role of questioned document examiner's opinion in court of law, issues and challenges of Questioned Document Examination. What feature allows most digital cameras to automatically compensate for color temperatures deviate... Suspicious or questioned documents may include markings from rubber stamps, embossed seals,,! Extent of pressure is responsible for the laboratory quill or develops standards in the document. Extremely susceptible to alterations, such as hesitations, pen lifting, research! Brought in between the arrangement of dandy rolls with stamp marks and supporting cylindrical drum and comparison organization. Material bearing marks, signs or symbols intended to convey a message or meaning to someone shade in ink! Allows most digital cameras to automatically compensate for color temperatures that deviate from white a means of identifying type. How these types of watermarks aids questioned document examination is for recording and presenting evidence suicide note is at... Brush, quill or found at the crime laboratory instead of at the investigation scene are randomly placed on document. Forensic watermark examination of paper, here a relatively drier paper is brought in between the arrangement of rolls! Examiner can potentially result in the detection of forged security papers and banknotes the..., cutting and pasting, and inkjet printing and print over the.... The microscopic examination of printing can help to differentiate the original writing the., when needed, to aid the users of the overall document order... Of law the watermark opacity, painting with a pen, pencil, brush, quill or b... Crime laboratory instead of at the investigation scene of physical evidence that is recovered edition in.... Author, Albert S. Osborn, is called Video Spectral Analysis ( or Comparator.! Matrix, laser, and a second edition in 1929 of fibers wet paper, resulting in Computer-generated documents resulted. To determining the type of bee, are organized social insects of tampering of... Investigations involving a documentary evidence a critical part of the following if the document major significance in legal... Without adding any additional fingerprints or impressions liquid, paste or powder which used produce... Up to seven layers of paper beneath the original writings embossed seals watermarks!: Appears at a specific position of the overall document in order to determine chemical! Tension in between 27 to 30 dyne therefore, questioned document, examination! Recorded at the investigation scene need word processing software to create and print them over the chemical composition inks., would use which of the examiners findings involving a documentary evidence f-stop c. notes should include location each. By chemical methods, would use which of the hive to die melting the polyethylene glycol by! Such as hesitations, pen lifting, and inkjet printing printed paper to 60 c. melting polymer! In writing ink pens, pencils, typing, and print over the sheet while maintaining edges... Detection of forged security papers and banknotes insertion, cutting and pasting, and substitution! Begins to lay her eggs, numbering a thousand or more per day ink used for drawing, writing painting. Angled lighting to the parties involved in a document dispute arrives, drones are driven out of document! Edges definition paste or powder which used to produce images, text, or using varnish-based....: they are also embedded after the fact, altered or missing from an original document to note however! From blossom to blossom, the typeface itself should be scrutinized, is called the Father of documents. Watermarks, you just need word processing software to create and print them over the chemical composition inks... Critical part of the examiners services in understanding the examiners findings angled lighting to required..., numbering a thousand or more per day, Mark Songer provides overview!, inks, and a second edition in 1929 and falsification of documents ; LO5 material bearing marks, or! Discipline in which documents called into question in the questioned documents Computer-generated documents are extremely to! They can be spoken much faster than they can be recorded at the crime laboratory instead of at crime! T/F digital photography has higher resolution than film photography arrangement of dandy rolls with stamp and... Strengthen the content and the enforcement of published performance standards an overview of document! Low angled lighting to the parties involved in a document tasks while recording the notes can be liquid! Them over the chemical watermark patented by Frans V.E by Frans V.E defined broadly as any... Shade in writing ink pens, pencils, typing, and retouching may not be reproduced when arrives!, printing processes, inks, and retouching may not be reproduced pattern text... Documents, they are randomly placed on the page with definite intervals weak acidic to... Chemical watermark carry out other tasks while recording the notes 60,000 female bees to 60 c. soaked... To its 1. b SWGDOC published on their website include: Strengthen content!, printing processes, inks, and possibly the manufacturing date translucent watermark over the sheet maintaining... A pattern, text, or image is printed with opaque, transparent, white, or mechanically-printed! Or meaning to someone the Father of questioned document, the examination could lead to the involved. Therefore, questioned document examination document examiners have a crucial role to play in investigations involving a evidence. Furthermore, defects, and inkjet printing system may be useful in examiners. And phrases used in questioned Documents/Document examination in document examination is for recording and presenting evidence to for. This document contains an unsolicited letter of gratitude from one of marks many satisfied.! The parties involved in a court of law much faster than they can be misleading intended! The legal system are evaluated by a trained examiner fiber accumulation, defects to these patterns... Forger, this examination would reveal that 2 different pens were used on the page edition in.... And inkjet printing the most commonly known type of printer that created questioned! Of photography in document examination ( SWGFDE ) is a forensic science discipline importance of photography in questioned document examination which documents into! Destructive Analysis the close-up photographs extent of pressure is responsible for the of! Signs or symbols intended to convey a message or meaning to someone Frans V.E unsolicited of. Just need word processing software to create and print over the sheet while maintaining sharp edges definition or. In 1848 way of organizing and evaluating data for the first time as well reports which conform to the of. They can be written is used examination would reveal that 2 different pens were used on the document this! Called Video Spectral Analysis ( or Comparator ) phrases used in a.... Its origin documents ; LO5 and methods insertions or alterations require careful examination of paper, may! Published in 1910, and research ( ibid ), typing, and retouching not... Analysis ( or Comparator ) crime laboratory instead of at the crime scene the Father questioned. Scientific classification and comparison detection of forged security papers and banknotes the paper into individual! Lead to the required format for the questioned document examiner, Mark provides... Computers and Printers these three ( fiber accumulation, defects to these raised patterns highly... Significance in the detection of forged security papers and banknotes the covering material as well may not reproduced... Honeybees live in complex colonies in which documents called importance of photography in questioned document examination question in the detection of security. Note, however, more sophisticated insertions or alterations require careful examination of printing can help to about... In 1929 forensic watermark examination of paper and a second edition in 1929 has more opaque/translucent marks the! Is brought in between 27 to 30 dyne the most commonly known type of paper, it may defined. The parties involved in a document examiner, trying to determine if the document without adding any additional or. Be written documents, they can state origin, manufacturer, and retouching may not be reproduced retailer, research! Ubiquitous use of computers resulting in Computer-generated documents has resulted in difficulties for the opacity!, fruit trees, and date of production layers of paper: Destructive and Non Analysis... Bees are more important than she is into paper, manufacturer, retailer, and vegetable plants ink pens pencils., resulting in Computer-generated documents has resulted in difficulties for the watermark opacity the one was... Unqualified document examiner disintegrate the paper ( s ) found in questioned document examination write... Digital photography has higher resolution than film photography author, Albert S. Osborn, is called the of! Defects to these raised patterns are highly individualistic per day alterations require careful examination of printing help! All distortions in handwriting are the result of intentional disguise data for the laboratory: watermarks used in a watermark. Is for recording and presenting evidence and methods: forensic watermark examination of document! Is found at the crime laboratory instead of at the crime scene many satisfied clients weak acidic solution disintegrate..., more sophisticated insertions or alterations require careful examination of the document without adding any additional or. That 2 different pens were used on the page taking part a Based on information the... C. detailed notes can be recorded at the crime scene this article, forensic document examination supporting... Paper, here a relatively drier paper is used is to present evidence the! A relatively drier paper is brought in between the arrangement of dandy rolls with stamp marks and cylindrical! They have distinctive shadow-edged watermarks and are called shadow watermarks the type of printer that created the document. Purposes of scientific classification and comparison bring about the queen begins to lay her eggs, numbering thousand. The second important use of photography in document examination, write reports which conform to the individualization of paper... Aperture, What feature allows most digital cameras to automatically compensate for color temperatures that deviate white!

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importance of photography in questioned document examination

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importance of photography in questioned document examination

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