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Home Q & A Board Science-Related Homework Help Forensic Science
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Fizzle920 Fizzle920
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9 years ago
Please help!!! I am so lost!!!

What physical and chemical properties of fibers are utilized in forensic science examinations and why? Outline the testing methods and the necessary safeguards.

Discuss the proper collection of evidence at the origin of a fire that is suspected of being initiated by gasoline. Describe the proper submission of controls for laboratory examination.

Why is it almost impossible to obscure one's fingerprints by surgery or mutilation? What advice would you give to suspect who threatened to alter his fingerprints to avoid detection and apprehension in the future?
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9 years ago
Quote from: Fizzle920 (9 years ago)
Why is it almost impossible to obscure one's fingerprints by surgery or mutilation? What advice would you give to suspect who threatened to alter his fingerprints to avoid detection and apprehension in the future?

If an injury reaches deeply enough into the skin and damages the dermal papillae, a permanent scar forms. However, for this to happen, such a wound would have to penetrate 1 to 2 millimeters beneath the skin's surface. The presence of permanent scars merely provides new characteristics for identification.
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