Exploring Forensic Document Analysis

What is the primary purpose of forensic document examination?

• To determine the authenticity of a document

• To analyze the chemical composition of paper

• To study the history of document creation

• To translate ancient texts

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DOK Level 1: Recall

Which of the following is a common technique used in forensic document examination? Select ALL that apply.

• DNA sequencing

• Thin Layer Chromatography

• Infrared Luminosity

• Spectroscopy

Explain how ink analysis can help in determining the authenticity of a document.

• By identifying the chemical composition of the ink

• By comparing the ink to known samples

• By determining the age of the ink

• All of the above

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DOK Level 2: Skill/Concept

What is the purpose of using ultraviolet (UV) light in forensic document examination?

• To reveal hidden writing or alterations

• To determine the age of the ink

• To analyze the chemical composition of the paper

• To compare handwriting samples

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DOK Level 2: Skill/Concept

A forensic document examiner is asked to determine if a document has been altered. What techniques might they use to make this determination?

• Examine the document under different lighting conditions.

• Analyze the ink and paper for inconsistencies.

• Compare the questioned document to known samples.

• All of the above

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DOK Level 3: Strategic Thinking

Questioned documents include:

• petitions and lottery tickets.

• rare books.

• letters and checks.

• all of the above.

Which of these would NOT be a questioned document?

• lottery ticket

• receipt

• photo

• passport

Which of the following methods are not used by document examiners?

• Microscope analysis

• Photographs

• Chromatography

• Gel electrophoresis

Infrared luminescence is used to reveal writing that has been erased

• true

• false

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NGSS.HS-PS4-5

Document ink can be chemically compared using what method?

• infrared spectrophotometry

• gas chromatography

• thin layer chromatography

• none of these