FORENSIC SCIENCE: An Introduction by Richard Saferstein
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Hair
evidence
FORENSIC SCIENCE: An Introduction by Richard Saferstein
physical
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properly collected
FORENSIC SCIENCE: An Introduction by Richard Saferstein
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hair follicle
FORENSIC SCIENCE: An Introduction by Richard Saferstein
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layers
medulla
FORENSICSCIENCE: An Introduction by Richard Saferstein
cuticle cortex
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exterior


identification
FORENSIC SCIENCE: An Introduction by Richard Saferstein
species
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main body

granules
pigment

FORENSIC SCIENCE: An Introduction by Richard Saferstein
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center

medullary index
diameter

FORENSIC SCIENCE: An Introduction by Richard Saferstein
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translucent tissue
follicular tag
FORENSIC SCIENCE: An Introduction by Richard Saferstein
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comparison microscope
FORENSIC SCIENCE: An Introduction by Richard Saferstein
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Scale structure medullary index
medullary shape


FORENSIC SCIENCE: An Introduction by Richard Saferstein
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1.
2.
3.
4.
FORENSIC SCIENCE: An Introduction by Richard Saferstein
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5.
6.
7.
FORENSIC SCIENCE: An Introduction by Richard Saferstein
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anagen
catagen
FORENSIC SCIENCE: An Introduction by Richard Saferstein
telogen
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follicular tag
nuclear DNA
FORENSIC SCIENCE: An Introduction by Richard Saferstein
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microscopic hair
comparisons must be confirmed by
DNA analysis
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Natural fibers
animal
plant
 Examples
FORENSIC SCIENCE: An Introduction by Richard Saferstein
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Man-made fibers
 Regenerated fibers
natural raw materials
 Synthetic fibers
synthetic chemicals
FORENSIC SCIENCE: An Introduction by Richard Saferstein
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Polymers
monomers
FORENSIC SCIENCE: An Introduction by Richard Saferstein
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morphological features



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microspectrophotometer
spectral patterns
chromatographic separation
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Infrared spectrophotometry
microscope
FORENSIC SCIENCE: An Introduction by Richard Saferstein
polarizing
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