Untitled Deck

Question 1

The _________ is the approximate location of where the blood was when it was impacted.

Answer 1

Area of Impact

Question 2

Which of the following can be used to determine the direction and speed of a suspect’s vehicle in a hit and run accident?

Answer 2

Skid marks

Question 3

The __________ is the component that strikes the base of the cartridge and causes the initial incendiary event leading to the expulsion of the bullet from the barrel.

Answer 3

firing pin

Question 4

Which of the following is not a type of impression evidence?

Answer 4

All of these are types of impressions

Question 5

List various types of criminal investigations that can be associated with a vehicle: (Choose all that apply)

Answer 5

Traffic fatalities, Hit and run, Theft, Used to flee a crime

Question 6

A witness to a shooting testifies that the victim was on the ground when the shooter fired the final shot into the victim’s head. A bloodstain pattern located on the wall is analyzed and shows that the bloodstains originated from 3-inches from the ground. This is an example of which value associated with physical evidence:

Answer 6

Physical evidence corroborating testimony from a witness

Question 7

Identify the bloodstain pattern in each of the following images:

Answer 7

Transfer Pattern, Wipe, Cast-off, Passive, Swipe

Question 8

Well-written, ______________ notes are invaluable later in the investigation and especially at the time of trial.

Answer 8

Contemporaneous

Question 9

Which of the following is the most often overlooked or forgotten at a crime scene?

Answer 9

Footwear and Tire Impressions

Question 10

_____________ patterns are changes in the shape and direction of a bloodstain on a surface due to the influence of gravity, wind, or movement of the surface.

Answer 10

Flow

Question 11

You are the lead crime scene investigator processing the scene of a hit and run accident. Which of the following pieces of evidence would you be most concerned about collecting?

Answer 11

Paint transfer on the victim’s vehicle

Question 12

Match the term with the correct definition:

Answer 12

Substrate: The material in which a tool mark impression is made

Classification: Impression detail that can categorize the impression into a similar group with others, but lacks the uniqueness to identify to a single contributor for the impression

Compression Marks: Marks left when an instrument is in some way pushed or forced into a material capable of picking up an impression of the tool

Scraping Marks: Marks produced by a combination of pressure and sliding contact by the tool and results in microscopic striations

Individual Characteristics: Impression detail that provide unique points of comparison that can discriminate one item from other impressions of similar category

Question 13

What is the computer database for firearms?

Answer 13

NIBIN

Question 14

Referring to the two bloodstains. They originated from the same area of origin.

Answer 14

False

Question 15

You are processing a vehicle that had been stolen from a homicide victim’s home. Which of the following would be the most appropriate course of action?

Answer 15

Collect trace evidence from the interior first and then process for fingerprints

Question 16

Caliber of a gun is usually expressed in _________ of an inch or millimeter.

Answer 16

Thousandths

Question 17

When a firearm is found at a scene it must be rendered safe immediately and then documented.

Answer 17

True

Question 18

Which of the following pieces of evidence would be more probative in associating the defendant to the victim in a murder trial?

Answer 18

A bloodstain found on the defendant’s jacket that subsequently matches the victim’s DNA profile.

Question 19

You are called in to process the scene of a residential burglary where a window was pried open. Which of the following pieces of evidence would you want to collect?

Answer 19

Tool marks on the window frame

Question 20

The report issued by the National Academy of Sciences (NAS report) has focused attention on which of the following?

Answer 20

The work at the crime laboratory

Question 21

The motivations for suicide can be deeply hidden and remain a mystery forever.

Answer 21

True

Question 22

In a contact shot to a victim, there is often blood found within the barrel of the handgun. This is called: _______.

Answer 22

Back spatter

Question 23

Which of the following motives would explain why a suspect stole a vehicle?

Answer 23

All of these answers

Question 24

Identify the bloodstain pattern in each of the following images:

Answer 24

Cast-off, Transfer Pattern, Passive, Swipe, Wipe

Question 25

When dealing with a homicide victim’s clothing, which of the following procedures is the best way to capture any trace evidence?

Answer 25

Examine the clothing for trace evidence prior to transporting the body for an autopsy and collect any items that you find

Question 26

Which of the following would be considered a known sample?

Answer 26

Buccal swabs from the suspect

Question 27

Who is credited with popularizing BPA (Bloodstain Pattern Analysis) as a forensic discipline?

Answer 27

Herbert McDonell

Question 28

You arrive at the scene of a homicide and see a blood-soaked shirt on the floor. Once it is properly documented, which of the following containers should you place it in for transportation to the crime lab?

Answer 28

A paper bag

Question 29

Which of the following individuals have extensive training in medicine and death investigation and respond to death scenes to assist the medical examiner in determining the cause and manner of death?

Answer 29

Medic-legal Investigator

Question 30

When analyzing a questioned document that was typed, a document examiner may be able to provide which of the following information?

Answer 30

The make of the typewriter

Question 31

Small and sometimes microscopically unique markings can be directly traced to the object or instrument in question.

Answer 31

True

Question 32

Using the following information for a bloodstain, calculate the tangent to find the distance (opposite side of the triangle) from the impact surface to the area of origin. Angle of impact 15 degrees, Distance from stain to convergence = 60 cm.

Answer 32

Calculate using trigonometry.

Question 33

Which of the following specialized personnel would be the most qualified to properly collect a bloody fingerprint found at the scene of a homicide?

Answer 33

Identification Officer

Question 34

Which of the following specialized personnel would be the most appropriate when attempting to identify skeletal remains?

Answer 34

Forensic Anthropologist

Question 35

After deep reflection, what do you think would be a fair grade for your work and participation in this course? Please provide a brief, but complete, explanation for the grade you chose.

Answer 35

I believe an A grade would be fair for my work and participation in this crime scene and investigation class.

Question 36

You stop a suspect on your way to a call of a burglary where a safe was opened by explosion. Which of the following pieces of evidence would you look for on the suspect’s clothing?

Answer 36

Glass debris field

Question 37

Why is it important that the crime scene investigator find the point of entry at a burglary scene?

Answer 37

This is the best location to search for physical evidence and serves as a good starting point in the crime scene search

Question 38

Identify the Ballistic pattern in each of the following images:

Answer 38

Ricochet, Penetration, Strike mark, Perforation

Question 39

The search of a vehicle in which a homicide was committed should be conducted with the same degree of care as would be used when conducting the search of an indoor or outdoor scene involving a murder.

Answer 39

True

Question 40

It is better to remove an item, such as hair, fiber, or loose paint chip from a large object rather than collecting the whole item.

Answer 40

False

Question 41

Identify the Ballistic pattern in each of the following images:

Answer 41

Ricochet, Perforation, Strike mark, Penetration

Question 42

Which of the following things should be done by the officer at a burglary in progress call once the scene has been searched for possible suspects?

Answer 42

All of these answers

Question 43

Which one of the following pieces of evidence would be the most useful in identifying the perpetrator of a residential burglary?

Answer 43

Blood on broken glass at the point of entry

Question 44

When collecting clothing from the same person you can bag these items together if it is properly labeled.

Answer 44

True

Question 45

Identify the bloodstain pattern in each of the following images:

Answer 45

Passive, Swipe, Cast-off, Wipe, Transfer Pattern

Question 46

You are about to enter the scene of a double homicide to begin your investigation and collect evidence. Please list the appropriate personal protective equipment (PPE) you would want to wear while working in the scene: (Choose all that apply)

Answer 46

Gloves, Lab coats, Tyvek Suit, Goggles/face shields

Question 47

List some of the initial questions that should be answered as soon as possible during a death investigation? (Choose all that apply)

Answer 47

Could the deceased have produced the injuries or brought about the circumstances that caused the death?, Are there any signs of struggle?, What was the cause of death?

Question 48

You are conducting a burglary investigation and find a witness who reported seeing a suspicious male sitting in a car across from the scene prior to the burglary. Which of the following pieces of evidence would you want to collect when searching that area?

Answer 48

All of these answers

Question 49

_______ is/are found in gun barrels and imparts a twisting motion on the bullet as it leaves the barrel.

Answer 49

Rifling

Question 50

Prior to towing a vehicle, and before processing it, it is acceptable to collect fragile evidence first?

Answer 50

True

Question 51

Which of the following could indicate that the burglar may have a history of sex-related crimes?

Answer 51

Feces on the floor at the scene

Question 52

When processing a scene involving the use of a vehicle as an improvised explosive device, which task is most important?

Answer 52

Finding as many parts of the explosive devices as possible

Question 53

Which of the following items would be classified as trace evidence?

Answer 53

All of these answers

Question 54

There are three general categories of bloodstains: Passive, ________ and Altered stains.

Answer 54

Spatter

Question 55

__________ published research regarding length-to-width ratio of a bloodstain as a determinant factor of impact angle.

Answer 55

Dr. Eduard Piotrowski