Questioned Documents

Fingerprints on Questioned Documents: Forensic Preference And Guide

Questioned Documents, Fingerprint and Other Impressions
Fingerprints on Questioned Documents Forensic Preference & Guide

The science behind forensic analysis is to compare the unknown or questions with known standards. This is true for both fingerprint and questioned document examinations.  Fingerprint never changes but handwriting or signature does. In fact, no two handwriting/signature samples can be exactly the same. Both disciplines have different concepts of individuality. So, how to meld […]

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How to Develop Fingerprints on Papered Questioned Documents?

Questioned Documents, Fingerprint and Other Impressions
How to Develop Fingerprints on Papered Questioned Documents

The most recommended methods of developing fingerprints on paper are chemical methods followed by powdered methods. With recent advancements, two novel techniques, alternative light, and laser light can also be used to detect fingermarks on papered questioned documents. In this short post, I am going to list common methods on how you can develop fingerprints

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Legal Obligation of Person’s Fingerprints Over Questioned Documents

Questioned Documents, Fingerprint and Other Impressions
Legal Obligation of Person's Fingerprints Over Questioned Documents

When a questioned document arrives at Forensic Document Unit (FDU), it means someone is going to be held questionable for their wrongdoing. And it’s the Forensic document examiner’s job to find and trace down every detail that might help individualization. What happens later? You all know well. Now, the court will decide what charges a

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Lifting Fingerprints From Paper: Questioned Document Approach

Questioned Documents, Fingerprint and Other Impressions
Lifting Fingerprints From Paper

Lifting fingermarks is never easy. Based on the surface on which the fingermark rests, the examiner decides whether lifting would be needed or not. This is also true for papered documents.   Normally, latent fingerprints are not required to lift because the prints are soaked in and no longer on the paper surface. Thus, they are

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Can Watermark on Paper be Forged? Prevention and Forensic Detection

Questioned Documents
Can a Watermark on Paper be Forged Prevention and Detection

Forgery of signatures and handwriting is common. There are also other ways to forge a document like insertion, obliteration, printing, and so on. Similarly, can a watermark be forged too? Yes, a watermark on paper can also be forged. The easiest way is by using translucent organic polymers. Other techniques include rubber stamping, printing with

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Forensic Watermark Examination of Paper: Destructive And Non Destructive Analysis

Questioned Documents
Forensic Watermark Examination of Paper Destructive And Non Destructive Analysis

Watermark examination is the process by which a Forensic Document Examiner (FDE) tests a watermark to see how well it aids the questioned document analysis, particularly the paper examination report. There are various types of watermarks on paper, and an FDE should be know how to identify them based on their distinguishing characteristics. Read this

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Watermarks on Questioned Documents: Types and Significance

Questioned Documents
Watermarks on Questioned Documents

Watermark is a distinctive form of image, shape, text, or any design that appears translucent and fainter when light passes through it. When these watermarks appear in the questioned documents, they can state origin, manufacturer, retailer, and possibly the manufacturing date. Know more: Forensic Watermark Examination of Paper: Destructive And Non Destructive Analysis In this

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