Crime Laboratory Units and Services

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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?

To identify and compare physical evidence (A) Signup and view all the answers

What is the Locard Exchange Principle?

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

What has contributed to the increasing number of crime laboratories?

All of the above (D) Signup and view all the answers

What is a key function of a forensic scientist?

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

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

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

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

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

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

The latent fingerprint unit (A) Signup and view all the answers

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

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

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

The photography unit (D) Signup and view all the answers

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

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

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

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

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

Forensic chemistry (C) Signup and view all the answers

What is the primary focus of forensic odontology?

Both A and B (A) Signup and view all the answers

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

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

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

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