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    Essentials – Forensic Science Document Examination

    Essential AspectDescriptionExamples
    Handwriting AnalysisThis involves comparing handwriting samples to determine the author of a specific document.Verifying signatures on cheques, wills or official correspondence.
    Ink AnalysisThis technique helps with the identification of the type of ink used, which can provide clues about the document’s age or source.Distinguishing between inks used in different periods, identifying inks in suspect documents.
    Paper AnalysisForensic document examiners scrutinize the type and characteristics of paper used in a document, which can reveal information about its origin or authenticity.Identifying characteristics of paper through watermarks, fiber content, weight, size, color, etc.
    Indented Writing AnalysisExaminers may analyze impressions left on paper beneath the one written on for leads.Identifying “ghost writing” on sheets beneath a written page.
    Counterfeit DetectionVerification of valid legal documents and detection of fraudulent ones.Checking the authenticity of currency, identification cards, passports and official certificates.
    Digital Document ExaminationAnalysis of digital documents and electronic signatures.Checking authenticity of electronic documents, metadata analysis, signature verification.
    Age DeterminationUse of chemical and physical analyses to estimate the age of a document.Estimating when an older or historical document was created.