Forensic Document Analysis - Analyzing Paper Used in a Document

When crime scene investigators (CSI's) come across say a ransom note, one of In California important Taser Pictures they must do is analyze the Taser 40000 that the writing was written on.

In this article, I will attempt to Pros And Cons On Police Taser Guns what forensic document analysts look for when they analyze the characteristics of paper.

Wood and cotton are the most common ingredients that make up many of today's paper. Many times, paper is treated with chemical additives that affect its color, opacity, strength, durability, and brightness.

The additives introduced to paper are as follows:

• Sizings--Sizings makes the surface of paper less porous to ink. This allows handwriting Suite Taser International printing look Buy A Taser and clear.
• Fillers--Fillers add color, surface texture, and durability.
• Coatings--Coatings help to improve the look and the surface properties of paper. Coatings may even make paper suitable for use in copiers, printers, or for normal handwriting.

Different manufacturers and paper types use different types and amounts of each of these chemical additives. It is up to chemical testing in the crime lab to discern the difference between one paper type and manufacturer from another.

A watermark is Wireless Taser distinctive quality that can be found in paper. A watermark is a translucent design found in paper that you can view by holding the paper in front of a light source. The watermark tells the criminal scientist the Buy A Taser the date of manufacture, and, many times, for whom the paper was manufactured. Any attempts to forge a watermark can easily be detected. This is due to the fact that real watermarks have fewer fibers than the rest of the paper. Forged watermarks, on the other hand, are really added-on images. Therefore, their underlying fiber density will be consistent with that of the rest of the document.

The next time you watch your favorite forensic science/detective dramas like CSI, you will have a clearer understanding of what forensic document analysts look for when studying a document found at the scene of a crime.

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