Question

types of evidence for each type of evidence, decide whether it is class (c) or individual (a)

1. ____ drop of blood (blood type)
2. ____ gun
3. ____ bullet with striation marks
4. ____ fingerprint

multiple choice write the letter of the correct answer on the line.

1. ____ in a crime scene sketch, to show where a dead body or weapon is located, one should measure and draw which way is:

a. two immovable landmarks
b. the center of the room
c. two other pieces of evidence
d. the nearest wall

1. ____ members of the crime scene investigation team must all wear protective gear to prevent this from happening to the crime scene.

a. collusion
b. contamination
c. contraction
d. disruption

1. ____ which factor affects the amount of evidence transferred during a crime:

a. intensity
b. nature
c. duration
d. all of the above factors will affect it

1. ____ a forensic investigator should take blood, hair, and fiber samples from the suspect to compare to those at a crime scene, but they should also take known samples from the victim, family members, and crime scene investigation team. these standard reference samples need to be taken so that it can be compared to evidence found at scene for purpose of:

a. documentation
b. verification
c. inclusion
d. exclusion

1. ____ when securing a crime scene the most important factors are to:

a. separate the witnesses
b. make sure all individuals in the area are safe
c. preserve evidence
d. both a & b
e. both b & c

1. ____ locards exchange principle states, whenever 2 objects come in contact with one another, a:

a. relocation of physical evidence can occur.
b. cross - transfer of physical evidence can occur.
c. loss of physical evidence can occur.
d. transmission of physical evidence can occur.

Explanation:

• 29. Blood type is a class - characteristic evidence as multiple people can have the same blood type. So it's C.
• 30. A gun is a class - characteristic evidence as many guns can be of the same make and model. So it's C.
• 31. A bullet with striation marks is individual evidence as the marks are unique to the gun that fired it. So it's A.
• 32. Fingerprint is individual evidence as each person has unique fingerprints. So it's A.
• 33. In a crime - scene sketch, to show the location of a dead body or weapon, one should measure and draw using two immovable landmarks for accuracy. So the answer is a.
• 34. Crime - scene investigators wear protective gear to prevent contamination of the crime scene. So the answer is b.
• 35. The intensity, nature, and duration of a crime all affect the amount of evidence transferred. So the answer is d.
• 36. Standard reference samples are taken for the purpose of exclusion, to rule out non - relevant sources of evidence. So the answer is d.
• 37. When securing a crime scene, ensuring safety of individuals in the area and preserving evidence are the most important factors. So the answer is e.
• 38. Locard's Exchange Principle states that whenever two objects come in contact with one another, a cross - transfer of physical evidence can occur. So the answer is b.

Answer:

• 29. C
• 30. C
• 31. A
• 32. A
• 33. a. two immovable landmarks
• 34. b. Contamination
• 35. d. All of the above factors will affect it
• 36. d. Exclusion
• 37. e. Both b & c
• 38. b. cross - transfer of physical evidence can occur.