PRACTICAL CRIME SCENE PROCESSING REVIEW QUESTIONS AND
CORRECT ANSWERS 100% VERIFIED!!! ALREADY GRADED A+
1. What is the basic goal of crime scene processing? - (ANSWER)Collection of the evidence and scene
context in as pristine a condition as possible
2. The police utilize five basic objectives in seeking their goals of preventing crime and disorder and
protecting the life and liberty of their fellow citizens. Which two of the five objectives are more closely
related to the crime scene investigation and why? - (ANSWER)1. Crime repression- conducting criminal
investigation
2. Protection of personal liberty- consistent and respectful of the law
3. Why is physical evidence more objective than testimonial evidence such as eyewitness accounts? -
(ANSWER)physical evidence doesn't lie or change
4. The interpretive value of evidence is a function of what? - (ANSWER)human analysis????
5. Chisum and Rynearson (1989) identified five ways in which context manifest itself in the crime scene.
What are they? - (ANSWER)1. predictable effects
2. unpredictable effects
3. transitory effects
4. relational detail
5. functional detail
6. Bevel and Gardner (2008) defined four questions that the investigator should ask about evidence.
What are they? - (ANSWER)1. what is it?
2. what function did it serve?
3. what relationship does it have to any other items?
4. what does it tell us about time and sequencing?
7. Describe and explain the forensic linkage triangle. - (ANSWER)each item of evidence discovered is
considered a mechanism in linking subject, scene, and victim
,PRACTICAL CRIME SCENE PROCESSING REVIEW QUESTIONS AND
CORRECT ANSWERS 100% VERIFIED!!! ALREADY GRADED A+
8. Any good crime scene examination requires five key ingredients. What are they? - (ANSWER)1.
knowledge
2. skills and tools
3. methodical approach
4. flexibility
5. coordinated effort
9. Describe and explain the three crime scene integrity issues that the investigator considers. -
(ANSWER)1. addition of material to scene
2. destruction of material in scene
3. movement of material in scene
10. What is the standard that the investigator uses when pursing a solution to crime, and why is this
standard necessary? - (ANSWER)point of beyond a reasonable doubt
1. Describe the differences between class and individual characteristics of evidence. - (ANSWER)Class
characteristics- allow item to be compared to a group
individual characteristics- compare the item with specific object or person and include or exclude it as
having originated from there
2. Of the available methods for DNA analysis, which is the best for individualization in forensic work and
why? - (ANSWER)Short Tandem Repeat (STR)
1 in 6 billion
both degraded and small samples could be examined
3. Describe how tape is used to collect hair and fiber evidence at the crime scene. - (ANSWER)adhesive
side applied to surface repeatedly, attached to nonporous backing, submitted to lab (tape lift)
4. When evaluating glass fractures for direction of force, which fragments can be used in the evaluation?
- (ANSWER)radial fractures present in the first concentric ring of glass fractures
, PRACTICAL CRIME SCENE PROCESSING REVIEW QUESTIONS AND
CORRECT ANSWERS 100% VERIFIED!!! ALREADY GRADED A+
5. How is paint layering used to differentiate two paint samples, such as when comparing a paint sample
from a hit-and-run to a suspect vehicle? - (ANSWER)multiple layers of colors, makes more unique
6. Comparison of soil sample is based on environmental variations from one sample to the next. What
are some of the most significant forms of environmental variation? - (ANSWER)environmental
contamination, unique environmental settings, plant pollen
7. How would evaluating crime scene evidence involving a pistol differ from that involving a revolver? -
(ANSWER)revolver- casings remain in cylinder (distinctive GSR pattern)
pistol- casing ejected into scene, ejector marks
8. Rifling refers to what two manufactured components of a barrel? - (ANSWER)projections (lands) and
depressions (grooves) in the barrel of the weapon
9. How are bullets marked for evidence and why? - (ANSWER)individually containerized and container
annotated where found, do not mark item directly
10. One of the two methods used to collect tool mark evidence (collection of the entire item or casing of
the marks), which is better and why? - (ANSWER)tool mark should be collected if possible
usually microscopic, if a poor cast evidence can be lost
11. What is the most significant class characteristic in shoe mark examinations and why? -
(ANSWER)tread design, can ID single brand or model
12. What type of containers are used to collect fire scene evidence in which accelerants are believed to
be present? - (ANSWER)sealed in clean, unlined paint can or glass jar
13. In terms of a forensic analysis, what is the difference between a forged writing and a traced writing? -
(ANSWER)tracing lack fluid motion, cannot be identified to any writer
CORRECT ANSWERS 100% VERIFIED!!! ALREADY GRADED A+
1. What is the basic goal of crime scene processing? - (ANSWER)Collection of the evidence and scene
context in as pristine a condition as possible
2. The police utilize five basic objectives in seeking their goals of preventing crime and disorder and
protecting the life and liberty of their fellow citizens. Which two of the five objectives are more closely
related to the crime scene investigation and why? - (ANSWER)1. Crime repression- conducting criminal
investigation
2. Protection of personal liberty- consistent and respectful of the law
3. Why is physical evidence more objective than testimonial evidence such as eyewitness accounts? -
(ANSWER)physical evidence doesn't lie or change
4. The interpretive value of evidence is a function of what? - (ANSWER)human analysis????
5. Chisum and Rynearson (1989) identified five ways in which context manifest itself in the crime scene.
What are they? - (ANSWER)1. predictable effects
2. unpredictable effects
3. transitory effects
4. relational detail
5. functional detail
6. Bevel and Gardner (2008) defined four questions that the investigator should ask about evidence.
What are they? - (ANSWER)1. what is it?
2. what function did it serve?
3. what relationship does it have to any other items?
4. what does it tell us about time and sequencing?
7. Describe and explain the forensic linkage triangle. - (ANSWER)each item of evidence discovered is
considered a mechanism in linking subject, scene, and victim
,PRACTICAL CRIME SCENE PROCESSING REVIEW QUESTIONS AND
CORRECT ANSWERS 100% VERIFIED!!! ALREADY GRADED A+
8. Any good crime scene examination requires five key ingredients. What are they? - (ANSWER)1.
knowledge
2. skills and tools
3. methodical approach
4. flexibility
5. coordinated effort
9. Describe and explain the three crime scene integrity issues that the investigator considers. -
(ANSWER)1. addition of material to scene
2. destruction of material in scene
3. movement of material in scene
10. What is the standard that the investigator uses when pursing a solution to crime, and why is this
standard necessary? - (ANSWER)point of beyond a reasonable doubt
1. Describe the differences between class and individual characteristics of evidence. - (ANSWER)Class
characteristics- allow item to be compared to a group
individual characteristics- compare the item with specific object or person and include or exclude it as
having originated from there
2. Of the available methods for DNA analysis, which is the best for individualization in forensic work and
why? - (ANSWER)Short Tandem Repeat (STR)
1 in 6 billion
both degraded and small samples could be examined
3. Describe how tape is used to collect hair and fiber evidence at the crime scene. - (ANSWER)adhesive
side applied to surface repeatedly, attached to nonporous backing, submitted to lab (tape lift)
4. When evaluating glass fractures for direction of force, which fragments can be used in the evaluation?
- (ANSWER)radial fractures present in the first concentric ring of glass fractures
, PRACTICAL CRIME SCENE PROCESSING REVIEW QUESTIONS AND
CORRECT ANSWERS 100% VERIFIED!!! ALREADY GRADED A+
5. How is paint layering used to differentiate two paint samples, such as when comparing a paint sample
from a hit-and-run to a suspect vehicle? - (ANSWER)multiple layers of colors, makes more unique
6. Comparison of soil sample is based on environmental variations from one sample to the next. What
are some of the most significant forms of environmental variation? - (ANSWER)environmental
contamination, unique environmental settings, plant pollen
7. How would evaluating crime scene evidence involving a pistol differ from that involving a revolver? -
(ANSWER)revolver- casings remain in cylinder (distinctive GSR pattern)
pistol- casing ejected into scene, ejector marks
8. Rifling refers to what two manufactured components of a barrel? - (ANSWER)projections (lands) and
depressions (grooves) in the barrel of the weapon
9. How are bullets marked for evidence and why? - (ANSWER)individually containerized and container
annotated where found, do not mark item directly
10. One of the two methods used to collect tool mark evidence (collection of the entire item or casing of
the marks), which is better and why? - (ANSWER)tool mark should be collected if possible
usually microscopic, if a poor cast evidence can be lost
11. What is the most significant class characteristic in shoe mark examinations and why? -
(ANSWER)tread design, can ID single brand or model
12. What type of containers are used to collect fire scene evidence in which accelerants are believed to
be present? - (ANSWER)sealed in clean, unlined paint can or glass jar
13. In terms of a forensic analysis, what is the difference between a forged writing and a traced writing? -
(ANSWER)tracing lack fluid motion, cannot be identified to any writer
