Crime Laboratory Units and Services
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Questions and Answers

What is the primary role of a forensic scientist?

  • To apply scientific principles to criminal and civil laws (correct)
  • To provide technical support to law enforcement agencies
  • To collect and analyze physical evidence at crime scenes
  • To solve crimes through investigation

Which of the following individuals is considered the 'father of forensic toxicology'?

  • Walter McCrone
  • Alphonse Bertillon
  • Francis Galton
  • Mathieu Orfila (correct)

Which of these techniques was developed to determine if a particular gun fired a bullet?

  • Comparison microscopy (correct)
  • Document examination
  • Blood type identification
  • Fingerprint classification

What is the primary purpose of the physical science unit in a crime laboratory?

<p>To identify and compare physical evidence (A)</p> Signup and view all the answers

What is the Locard Exchange Principle?

<p>The transfer of materials when a person comes into contact with an object or another person (A)</p> Signup and view all the answers

What has contributed to the increasing number of crime laboratories?

<p>All of the above (D)</p> Signup and view all the answers

What is a key function of a forensic scientist?

<p>Applying principles and techniques of physical and natural sciences to analyze evidence (B)</p> Signup and view all the answers

Which of the following is NOT part of the scientific method used by forensic scientists?

<p>Accept the hypothesis as scientific evidence without validation (A)</p> Signup and view all the answers

What is the role of an expert witness in a court trial?

<p>To provide testimony based on specialized training and experience (C)</p> Signup and view all the answers

Which unit within a crime laboratory is responsible for processing and examining evidence for latent fingerprints?

<p>The latent fingerprint unit (A)</p> Signup and view all the answers

What is the purpose of the crime-scene investigation unit within a crime laboratory?

<p>To dispatch specially trained personnel to collect and preserve physical evidence from the crime scene (A)</p> Signup and view all the answers

Which unit within a crime laboratory applies specialized photographic techniques for recording and examining physical evidence?

<p>The photography unit (D)</p> Signup and view all the answers

What is the primary purpose of an expert witness appearing in person to provide testimony in court?

<p>To ensure the defense has an opportunity to cross-examine the witness (C)</p> Signup and view all the answers

What is the main purpose of evidence technician training in crime laboratories?

<p>To ensure all pertinent evidence is recognized and collected properly (D)</p> Signup and view all the answers

Which of the following is NOT a special forensic science service available to the law enforcement community?

<p>Forensic chemistry (C)</p> Signup and view all the answers

What is the primary focus of forensic odontology?

<p>Both A and B (A)</p> Signup and view all the answers

Which of the following is the main focus of forensic engineering?

<p>Reconstructing the sequence of events in an accident (C)</p> Signup and view all the answers

What is the primary purpose of forensic computer and digital analysis?

<p>To examine and preserve digital evidence for use in legal proceedings (A)</p> Signup and view all the answers

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