The use of forensic casting materials starts as soon as a 3D impression is needed to be documented. And for analyzing a 3D impression, a forensic investigator requires a cast for compression with a reference sample. But how to choose which casting material is best on different surfaces. Here is a short table: Surfaces With …
Forensic Casting Materials: How to Choose One For Different Surfaces? Read More »
Removing fingerprints from paper is different from lifting them. Lifting means removing the developed part of the fingerprint but they still rest over the paper. While removing means completely obliterating or removing them from paper. In this post, I am going to state whether it is possible or not to remove finger marks that rest …
How to Remove Fingerprints from Paper? Is it Possible? Forensic Expert Answer Read More »
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 …
Fingerprints on Questioned Documents: Forensic Preference And Guide Read More »
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 …
How to Develop Fingerprints on Papered Questioned Documents? Read More »
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 …
Legal Obligation of Person’s Fingerprints Over Questioned Documents Read More »
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 …
Lifting Fingerprints From Paper: Questioned Document Approach Read More »
When analyzing questioned documents with fingerprints, it is imperative to know what to do and what are the real limitations. Some limitations, however, are myths, while others are simply misconceptions. Fortunately, I gathered some data about the common misconception and myths related to fingerprints on papered documents. Myth 1: Wiping Removes Soaked Fingerprint From Paper …
#14 Myths of Fingerprints And Questioned Documents: A Forensic Study Read More »
Amputated, scarred, and missing from birth fingers are uncommon, but still need to be classified using the Henry classification system by the FBI (or any other classification system). Moreover, classifying them is a tedious task. There are a set of rules that are needed to be followed by a fingerprint examiner. So, if you’re here …
Classification of Amputated, Scarred, and Fingers Missing from Birth (Henry Included) Read More »
