This document discusses the examination of questioned documents. It defines a questioned document as one where the authenticity has been challenged, such as two conflicting wills. Questioned documents can take many forms, including receipts, tickets, wills, and examination papers. The document examiner seeks to determine the document's origin, production source, production process, inscription details, changes made, integrity (whether genuine or forged), and legitimacy as an original or reproduction through technical and scientific examination processes. The goal is to determine the document's history and provide forensic evidence in legal cases.