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15 Cards in this Set
- Front
- Back
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Chemical Erasure
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removal of text by reacting the ink with a solvent
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Infrared Luminescence
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the refraction of infrared spectrum when exposed to a blue green light source
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Obliteration
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the blotting out or smearing of text to disrupt the original integrity
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Word process documents have unique characteristics...
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font, style, ink comparison, unique error templates
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Although _______ is not as unique as ________ it is still identifiable as evidence.
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computer text, handwritting
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Many _______ will leave transitory marks or mechanical impressions unique to that machine.
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copiers/printers
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An erasure will disrupt?
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the upper fibers of the questioned document
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Most common form of alteration can be detected by?
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microscope examination and side lighting
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Erasure
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removal of text by abrasion
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Outsmarting Deception (7)
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-never show suspect the questionable document
-do not provide spelling grammar or punctuation assistance -use several different pens including 1 similar tothe document -write in script and print -repeat three times -acquire signatures accompaying other texts |
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Concious deception
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plays a role in obtaining exemplars, this can be circuvented by the following techniques
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Traced signature forgery
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no two words are written exactly alike
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Natural variations
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normal deviations found between repeated specimens
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suspect samples
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collected on both ruled and unruled paper, in pen, pencil, and marker, and will contain some words or phrases from the questioned document
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Handwritting analysts will collect as many ______ as possible, the more is better.
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exemplars
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