|This involves comparing handwriting samples to determine the author of a specific document.
|Verifying signatures on cheques, wills or official correspondence.
|This 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.
|Forensic 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 Analysis
|Examiners may analyze impressions left on paper beneath the one written on for leads.
|Identifying “ghost writing” on sheets beneath a written page.
|Verification of valid legal documents and detection of fraudulent ones.
|Checking the authenticity of currency, identification cards, passports and official certificates.
|Digital Document Examination
|Analysis of digital documents and electronic signatures.
|Checking authenticity of electronic documents, metadata analysis, signature verification.
|Use of chemical and physical analyses to estimate the age of a document.
|Estimating when an older or historical document was created.