Zulqurnain Nadeem*
Questioned document analysis involves the comparing of document with the known writing or documents and find out the erasures, alterations, obliterations in document. Any kind of forgery done in any document is known as questioned document. This paper describes the use of Video Spectral Comparator 6000 (VSC) and the ESDA (Electro Static Detection Apparatus). VSC works with different light sources and find out the forgery in any kind of document such as suicide notes, currency notes, passports, stamp papers, ID, agreement, check, bank draft etc. ESDA is useful for finding the indented writing or hidden writing. Low angle oblique light and photography were used to identify and decode indented text. Recently, an Electrostatic Detection Apparatus (ESDA), has been utilized to provide a visual picture of the indented text on transparency film. Those writing that are hidden below written pages due to pressure of ball point or pen. In this article also review the forged signature identification with helps in finding the forged signature by examine different features of identification. This paper serves three purposes: finding any kind of forgery through VSC, helpful to identify the hidden writing and identification of forged signatures. Several forensic professions compare the evidence to well-known things in order to ascertain its origins. The Analysis, Comparison, Evaluation and Verification (ACE-V) approach is a comparative technique used in several forensic fields. The ACE-V technique gives the examiner a structure to follow while they carefully evaluate the evidence.
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