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Questions and Answers
What is the primary purpose of crime scene investigation?
What is the primary purpose of crime scene investigation?
Which of the following is classified as trace evidence?
Which of the following is classified as trace evidence?
What should be done with wet evidence during collection?
What should be done with wet evidence during collection?
Which of the following accurately describes individual evidence?
Which of the following accurately describes individual evidence?
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What is the first priority during a crime scene investigation?
What is the first priority during a crime scene investigation?
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What principle states that intensity, duration, and nature of contact affect transmission?
What principle states that intensity, duration, and nature of contact affect transmission?
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Which examples represent direct evidence?
Which examples represent direct evidence?
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Which item is NOT an example of trace evidence?
Which item is NOT an example of trace evidence?
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Study Notes
Crime Scene Investigation - Chapter 3
- Purpose of crime scene investigation: Identify, document, and collect evidence.
- Trace evidence: Exchanged during a crime, acting as a silent witness.
- No traces: Absence of evidence, meaning no traces of people or things are found.
- Trace evidence type: Circumstantial evidence.
- Direct evidence: Evidence directly proving a crime.
- Medical examiner's role: First to arrive at the crime scene to search for evidence.
- Safety priority: First priority is the safety of all individuals in the area.
- Witness interaction: Witnesses may speak to one another.
- Wet evidence packaging: Wet evidence should be placed directly into a plastic container.
- Trace evidence examples: Blood, hair, makeup.
- Intensity, duration, and nature: Contact materials determine the extent of transmission.
- Trace evidence principle: Locard's principle and principle of exchange.
- Biological evidence examples: Fingerprints, shoe prints, plant and animal parts.
- Types of evidence: Class evidence (narrowing down), individual evidence (identifies a single person), physical evidence.
- Crime scene investigation team: Includes police officers, specialized personnel/experts.
- Proper evidence handling: Evidence must be packaged, sealed, and labeled.
- Determining search warrants: Specialists, medical examiners, crime-scene investigators, and prosecutors may determine if a search warrant is necessary.
- Evidence types: Includes direct observations (eyewitness accounts), indirect evidence (not directly linking), and circumstantial evidence (indirectly suggest).
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Description
Dive into the essentials of crime scene investigation with a focus on trace evidence and its importance. This chapter covers the roles of key players like medical examiners and the critical steps in evidence collection. Understand the principles guiding evidence exchange and the significance of witness interactions.
