Unit 2 - Crime Scene Investigation Exam

What is the main goal of a crime scene investigation?

• Punishing the suspect

• Piecing together the evidence

• Protecting the crime scene

• Interviewing witnesses

Which of the following is NOT a guideline for evidence acceptability in a crime scene investigation?

• Evidence must be sufficient and scientific

• Evidence must be consistent when retested

• Evidence must be valid

• Evidence must be collected quickly

Which law is associated with the Forensic Linkage Triangle?

• Locard’s Law of Exchange

• Law of Individuality

• Principle of Analysis

• Law of Progressive Change

Which principle focuses on evaluating similarities and differences between two or more items?

• Principle of Comparison

• Law of Probability

• Law of Individuality

• Principle of Analysis

According to the list, which law deals with the likelihood of an event occurring?

• Law of Probability

• Law of Individuality

• Principle of Analysis

• Law of Progressive Change

Who was the director of the world’s first forensic laboratory and is the "Father of Modern Forensic Science"?

• Dr. Edmond Locard

• Professor Dave

• Dr. John Watson

• Dr. Henry Lee

What is Locard’s Law of Exchange?

• Whenever two people come into contact, no transfer occurs.

• Whenever two people come into contact, transfer occurs only between the people.

• Whenever two people come into contact at a location, transfer occurs between both persons and between each person and the location.

• Whenever two people come into contact, only one person is affected.

Which factors determine the extent of material transfer according to Locard’s Law of Exchange?

• Intensity, duration, and nature of the entities in contact

• The color of the materials

• The location of the crime scene

• The number of investigators present

What is class evidence?

• Evidence that limits suspects to a group

• Evidence that narrows down to a single person

• Evidence that is always physical

• Evidence that is always biological

What is individual evidence?

• Evidence that narrows down to a single person

• Evidence that limits suspects to a group

• Evidence that is always circumstantial

• Evidence that is always indirect