CCJS301 CRIMINALISTICS I: INSTRUCTIONS: Please complete all 4 questions. You may use information provided in the LEO classroom (reading assignments, discussions, laboratory assignments, Webliography, et cetera) and the course textbook. Your responses MUST BE in your OWN WORDS, do not quote or paraphrase from the material. You cannot collaborate with anyone else. The grading rubric is provided after each question; use this to ensure that you have provided a thorough response for each part of the question. NAME: Question 1 (10 points) Scenario: A woman is walking to her car that is parked in a parking garage. She is approached from behind. The person places his arm around her neck and is holding a sharp object against her neck. He asked for her purse. As he is trying to remove it from her arm with his other hand, she reaches back and grabs his hair. He takes off and she is unable to describe her attacker. However, she has a few of his hairs in her hand. Describe the three morphologic components of hair. List and describe the three stages of hair growth. What can be determined from the hair evidence the victim recovered? How would you examine the hair the victim recovered? PROVIDE YOUR ANSWER HERE: Rubric: Question Part Point Value Points Given Describe the three morphologic components of hair. 3 List and describe the three stages of hair growth. 3 What can be determined from the hair evidence the victim recovered? 2 How would you examine the hair the victim recovered? 2 Question 2 (10 points) 1. What is the importance of the ridge characteristics (minutiae) for a fingerprint examination? 2. In the following figure, identify 12 ridge characteristics: To answer part 2 of this question, you can use the Art tools of Word, or print off this page, hand write out your answers and submit this answer either as a scan or as a photograph. However, you do need to specifically identify the ridge characteristics on this print: both characteristic itself AND the name of that characteristic. PROVIDE YOUR ANSWER HERE: Rubric: Question Part Point Value Points Given What is the importance of the ridge characteristics (minutiae) for a fingerprint examination? 4 Identification of 12 ridge characteristics 6 Question 3 (10 points) Markings/striations left behind on a projectile/bullet and the cartridge casings may link evidence to a particular firearm. List and describe in detail the different types of markings/striations that may be left behind on a projectile/bullet and cartridge casings. PROVIDE YOUR ANSWER HERE: Rubric: Question Part Point Value Points Given List and describe in detail the different types of markings/striations that may be left behind on a projectile/bullet. 5 List and describe in detail the different types of markings/striations that may be left behind on cartridge casings. 5 Question 4 (10 points) What is considered a tool mark? How is a tool mark created? What type of crime scenes are tool marks mostly commonly found? How is tool mark evidence collected? Discuss the class and individual characteristics that may be found on a tool mark. What type of trace evidence may be found on a tool mark? PROVIDE YOUR ANSWER HERE: Rubric: Question Part Point Value Points Given What is considered a tool mark? 2 How is a tool mark created? 2 What type of crime scenes are tool marks mostly commonly found? 1 How is tool mark evidence collected? 2 Discuss the class and individual characteristics that may be found on a tool mark. 2 What type of trace evidence may be found on a tool mark? 1

 
 

CCJS301 CRIMINALISTICS I:

 

 

INSTRUCTIONS:  Please complete all 4 questions.

 

You may use information provided in the LEO classroom (reading assignments, discussions, laboratory assignments, Webliography, et cetera) and the course textbook.  Your responses MUST BE in your OWN WORDS, do not quote or paraphrase from the material.  You cannot collaborate with anyone else.

 

 

 

The grading rubric is provided after each question; use this to ensure that you have provided a thorough response for each part of the question.

 

 

 

NAME:                                                                          

 

 

 

Question 1 (10 points)

 

Scenario:  A woman is walking to her car that is parked in a parking garage.  She is approached from behind.  The person places his arm around her neck and is holding a sharp object against her neck.  He asked for her purse.  As he is trying to remove it from her arm with his other hand, she reaches back and grabs his hair.  He takes off and she is unable to describe her attacker.  However, she has a few of his hairs in her hand.

 

Describe the three morphologic components of hair.  List and describe the three stages of hair growth.  What can be determined from the hair evidence the victim recovered?  How would you examine the hair the victim recovered?

 

PROVIDE YOUR ANSWER HERE:

 

 

 

Rubric: Question Part Point Value Points Given
Describe the three morphologic components of hair. 3  
List and describe the three stages of hair growth. 3  
What can be determined from the hair evidence the victim recovered? 2  
How would you examine the hair the victim recovered? 2  

 

 

Question 2 (10 points)

 

  1. What is the importance of the ridge characteristics (minutiae) for a fingerprint examination?

 

  1. In the following figure, identify 12 ridge characteristics:

 

 

 

 

To answer part 2 of this question, you can use the Art tools of Word, or print off this page, hand write out your answers and submit this answer either as a scan or as a photograph.  However, you do need to specifically identify the ridge characteristics on this print: both characteristic itself AND the name of that characteristic.

 

PROVIDE YOUR ANSWER HERE:

 

 

 

 

 

 

 

Rubric: Question Part Point Value Points Given
What is the importance of the ridge characteristics (minutiae) for a fingerprint examination? 4  
Identification of 12 ridge characteristics 6  

 

 

 

 

Question 3 (10 points)

 

Markings/striations left behind on a projectile/bullet and the cartridge casings may link evidence to a particular firearm.  List and describe in detail the different types of markings/striations that may be left behind on a projectile/bullet and cartridge casings.

 

PROVIDE YOUR ANSWER HERE:

 

 

 

 

 

 

 

 

Rubric: Question Part Point Value Points Given
List and describe in detail the different types of markings/striations that may be left behind on a projectile/bullet. 5  
List and describe in detail the different types of markings/striations that may be left behind on cartridge casings. 5  

 

 

Question 4 (10 points)

 

What is considered a tool mark?  How is a tool mark created?  What type of crime scenes are tool marks mostly commonly found?  How is tool mark evidence collected?  Discuss the class and individual characteristics that may be found on a tool mark.  What type of trace evidence may be found on a tool mark?

 

PROVIDE YOUR ANSWER HERE:

 

 

Rubric: Question Part Point Value Points Given
What is considered a tool mark? 2  
How is a tool mark created? 2  
What type of crime scenes are tool marks mostly commonly found? 1  
How is tool mark evidence collected? 2  
Discuss the class and individual characteristics that may be found on a tool mark. 2  
What type of trace evidence may be found on a tool mark? 1  

 

 

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