Posts Tagged ‘Forensic’

January 23, 2010 at 12:33 am

Forensic document analysis – looking for clues in documents Typescript

Not only is the ink from a ballpoint pen, not the type of paper provide clues for analysts legal document about the origin of a questionable document, many types of mechanical devices to do this. Photocopiers, printers and typewriters often leave marks on the specific item to be inserted or copied. These markings may show that a particular piece of paper has changed. Such changes can identify the examiners legal document exactly which machine created the respondentsDocument.

In this article I will try to explain what analysts look if they have a legal document printed document, as used in the commission of a crime to occur.

If you do not use paper and pen, typewriter letters, often the perpetrators of intimidation or redemption, write notes. Authors are often false sense of security that such an act, which makes the letter, or no longer be located. Nothing could be further from the truth. Ifa typewriter used to create a document of questionable, the document seeks to forensic analyst

Check out the brand and model of typewriter
Compare a suspect note with a typewriter

Determine the make and model of a typewriter, it means that forensic document analysts have used to access a list of characters in different models of typewriters, old and new. Many manufacturers use the elite or pica typewriter font. However, the size, shape and styleThe letters are different, so that analysts, the difficult task. After a thorough examination of a document typed by the analyst may be able to discover the make and model of typewriter that created it. This can help shorten the precise list of machines that created the document. On the other hand, the current use daisy wheel printers, inkjet, varying matrix or laser printing technologies. These printers easily, so that analysts can not view the document, often,other.

To determine whether a particular machine, a document of dubious forensic document analyst in search of unique properties that are not connected properly or damaged letters, the spaces created conflict before or after a few letters and inconsistent pressure on the side of some letters. For example, some letters of cavities or passages that can be printed on a sheet of paper. These letters may also be inclined to release orslightly higher or lower than the rest of the letters on the page. These changes may be made in relation to a sample page from a suspicious car, creating a strong individual qualities that are unique only to this machine.

To draw a comparison between a document called into question and a particular machine, the forensic analyst, document types, document comparison from the typewriter suspicion. During this, an analyst uses a band that similarlyCondition of people who used to create the original document. The reason is that a belt worn minor anomalies are found in Scripture. On the other hand, a new band with fresh ink, you can hide.

Typing machines, bands in the analyst forensic document corresponds to a particular machine to help the document. If a typewriter with a single-pass band, forensic scientists can only read the message of the bandThe band is still in the car. Although the group has been used several times, the police may still be part of the message by the group.

Suppose that a scammer using the original machine to include an additional line or a paragraph in a document? As the forensic document examiner does not consider that this has happened? If Scripture is both the original text, and the added value that is identical to the text, it is difficult for the examiner to determine whether a changeoccurred. But if the paper into a typewriter used for the second time, attention is often turned off. Advantage of this fact that the examiner is a specially formulated glass with a grid etched on the page. So you can easily see discrepancies in the alignment of lines and extra points.

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November 18, 2009 at 2:14 am

Forensic Document Analysis – Looking for Clues in Typewritten Documents

Not only is the ink from a pen and not the type of paper provide clues to forensic document analysts about the origin of a questionable document, many different types of mechanical devices do it. Copiers, printers and typewriters often leave distinctive marks on the document to be entered or copied. These markings may show that a particular piece of paper has been changed. Such changes can identify forensic document examiners exactly which machine created the surveyedDocument.

In this article I will try to explain what forensic document analysts look like if they have a printed document that is used in the commission of a crime to come.

If they do not use pen and paper, typewriter letters, often the perpetrators of intimidation or ransom, write notes. The perpetrators often have the false sense of security that such an act makes note of the letter, or no longer be located. Nothing could be further from the truth. Ifa typewriter is used to create a questionable document, the document tries to forensic analyst

Find out the make and model of typewriter
Compare a suspect note with a typewriter

Determining the make and model of a typewriter, means that the forensic document analysts have used to access a list of fonts in different models of new and old typewriters. Many manufacturers use either elite or pica typewriter fonts. However, the size, shape and style is theLetters are different, so that the analysts, the task difficult. After careful examination of a typed document of the analyst may be able to find out the make and model of typewriter that has created it. This can help shorten the precise list of machines that created the document. On the other hand, the current use daisy-wheel printers, inkjet, varying matrix or laser printing technologies. These printers easily, so that analysts can not see the document often, byanother.

To determine whether a particular typewriter, a questionable document, forensic document analyst in search of unique properties that are wrongly connected or damaged letters, inconsistent spacing created before or after certain letters and inconsistencies in the pressure applied on the side of a few letters. For example, certain letters grooves or spores, which can be printed on a piece of paper. These letters may also be inclined to one side or printslightly higher or lower than the rest of the letters on the page. Such changes can be made compared to a sample page from a suspect typewriter and thus provide powerful individualized qualities that are unique only for this typewriter.

To draw a comparison between a document called into question and a specific machine, the forensic analyst, document types included a comparison document from the suspect typewriter. During this, the analyst uses a band that in a similar wayCondition of the people used to create the original document. The reason is that a worn belt minor abnormalities will be seen in the Scriptures. On the other hand, a new band with fresh ink, they can hide.

Typewriting Machines, the bands in the forensic document analyst correspond to a particular machine to help the document in question. If a typewriter uses a single-pass band, forensic scientists can simply read the message from the band themselvesthat the band is still in the machine. Even if the band has been used for several rounds, police can still over parts of the message from the band.

Let us assume that a fraudster uses the original machine to include an additional line or a paragraph to a document? As the forensic document examiner does find that have occurred? If the Scriptures are both in the original text and the added value that is identical to the text, it is difficult for the examiner to determine whether a changeoccurred. However, if the paper into a typewriter used for the second time, the focus is often turned off. Taking advantage of this fact, the examiner is a specially made glass plate with an etched grid on the page. Thus he can easily view, inconsistencies in the alignment of the added lines and paragraphs.

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