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Forensic document examination, often referred to as handwriting analysis or questioned document examination, is a specialized field of forensic science that involves the examination, analysis, and comparison of documents, handwriting, signatures, and other forms of written or printed material to determine their authenticity, origin, or to detect potential alterations or forgeries. Forensic document examiners, also known as questioned document examiners, are highly trained professionals who work in this field. Key aspects of forensic document examination include: Handwriting analysis: This involves the examination of handwriting characteristics such as letter forms, spacing, size, slant, and individual idiosyncrasies to determine whether a document was written by a particular person or to compare a questioned document with a known sample. Signature analysis: Examiners analyze signatures to determine their authenticity, whether they are genuine or forged. Ink and paper analysis: Document examiners can analyze the type of ink, paper, or printing methods used in a document to determine its age or source. Alteration detection: Examiners look for signs of tampering, erasures, obliterations, or additions to documents, helping to identify alterations or forgeries. Typewritten documents: Examiners may also analyze typewritten or printed documents to identify typewriter models or unique characteristics that can aid in document authentication. Forgery detection: Document examiners play a crucial role in identifying forged documents, whether it's a forged signature, altered numbers, or counterfeit documents. Forensic document examination is commonly used in legal proceedings, including criminal cases, civil disputes, and fraud investigations. These experts provide expert testimony in court and can help determine the authenticity and reliability of various documents and the veracity of claims made based on these documents. Their work involves scientific methods, careful analysis, and a thorough understanding of handwriting and document production processes.