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Questioned document examination
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<p>In <a href="/facts/Forensic_science/4upVa2vB">forensic science</a>, questioned document examination (QDE) is the examination of <a href="/facts/Document/H4Hdxu91">documents</a> potentially disputed in a <a href="/facts/Court_of_law/QuVoTFmh">court of law</a>. Its primary purpose is to provide evidence about a suspicious or questionable document using <a href="/facts/Scientific/IJoaD7rs">scientific</a> processes and methods. Evidence might include alterations, the chain of possession, damage to the document, <a href="/facts/Forgery/I9De2P20">forgery</a>, origin, authenticity, or other questions that come up when a document is challenged in court. </p>