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An Introduction to Questioned Documents

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Textbook of Forensic Science

Abstract

Documents are frequently discovered at crime scenes and serve as crucial evidence. They convey information through letters, symbols, figures, or other methods. This chapter provides an overview of various aspects related to documents, including handwriting analysis, forgery detection, identification of alterations and obliterations, and more. The chapter commences with an exploration of unique identifiers of individuals through their handwriting characteristics, such as letter formations, spacing, slant, pressure, and rhythm. Furthermore, the chapter scrutinizes the various alterations and obliterations that are frequently encountered in questioned documents. It highlights contemporary techniques utilized to remove or modify content, such as erasures, chemical treatments, and overwriting. The chapter also covers various methods for detecting these alterations, such as utilizing different light sources, electrostatic detection, infrared imaging, and more.

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Correspondence to Neeti Kapoor .

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Landge, S., Pawar, R., Kakad, R., Badiye, A., Kapoor, N. (2023). An Introduction to Questioned Documents. In: Shrivastava, P., Lorente, J.A., Srivastava, A., Badiye, A., Kapoor, N. (eds) Textbook of Forensic Science . Springer, Singapore. https://doi.org/10.1007/978-981-99-1377-0_12

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