Types of Evidence

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Types of Evidence
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Documents

• Hand written
• Type or Printed
• Authenticity?

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Glass

• How broken?
• Link a suspect to a crime scene
• Fingerprints
• Blood

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Soils, Minerals, Wood, and Other Vegetative
Matter.

• Location
• Link suspect
• Trace Evidence

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Fingerprints

• Mainstay of Forensics
• Who is on file?

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Hair

• What type?
• How removed?
• Match to a person
• DNA

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Fibers

• Link suspect to a location or victim
• Origin?

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Firearms and Ammunition

• Circumstances of discharge
• Link to suspect
• Link to weapon
• Link to victim

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Powder Residue

• Evidence of shooting
• Circumstances of shooting
• Type of weapon

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Explosives Propellants

• Link to suspect or victim
• Origin

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Tool Marks

• Match tool to scares

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Impressions
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Drugs

• Type of Drug?
• Strength?
• Origin?
• Legal?

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Paint

• Origin
• Match

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Blood, Semen, Saliva, Organs, other
Physiological Fluids

• Origin
• DNA
• Condition

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