Forensic Basics and Classification of Evidence

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What is forensic evidence?

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Forensic evidence refers to any material that can be used in a court of law to establish facts about a crime. It includes physical evidence, biological evidence, and digital evidence.

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What are the two main types of evidence in forensic investigations?

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The two main types of evidence are direct evidence, which directly links a suspect to a crime, and circumstantial evidence, which suggests a connection but does not directly prove it.

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What is the purpose of crime scene documentation?

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The purpose of crime scene documentation is to create a permanent record of the scene, which includes photographs, sketches, and written notes to aid in investigations and court proceedings.

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What is direct evidence?

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Direct evidence is evidence that directly links a suspect to a crime, such as eyewitness testimony or a confession.

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What is circumstantial evidence?

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Circumstantial evidence is evidence that suggests a fact or event is true but does not directly prove it, such as finding a suspect's fingerprints at a crime scene.

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What is class evidence?

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Class evidence narrows identity to a group of persons or things, such as fibers from a specific type of clothing.

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What is individual evidence?

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Individual evidence can be linked to a unique source, such as a specific fingerprint or DNA profile.

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What is trace evidence?

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Trace evidence refers to materials transferred when two people come into contact, such as hair, fibers, or paint.

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What is the role of crime scene photography?

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The primary role of crime scene photography is to create a visual record of the scene, capturing details that may be lost or altered over time.

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What should NOT be included in crime scene documentation?

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Personal opinions should not be included in crime scene documentation; only objective observations and facts should be recorded.