Physical Evidence 1
Eyewitness Evidence 1
Physical Evidence 2
Eyewitness Evidence 2
Physical Evidence 3
100
What are the 3 R's of physical evidence?
What is 1) Recognize, 2) Record, 3) Recover
100
True or False: Lineup fillers need to be only the same race as the suspect.
What is false, there are many factors besides just race to consider.
100
Explain why concerns about transmittable diseases like AIDS or HepC need to be addressed by investigative agencies.
What is if investigators do not feel safe while collecting evidence (for example, they don't feel latex gloves are fully protecting them from contact) then they may cut the investigation short/hurry the process or avoid collecting crucial pieces of evidence.
100
Explain the weapon focus effect.
What is the concept that having a weapon present during the commission of the crime makes the witness focus on the weapon instead of the perpetrator's facial details, making the possibility of an accurate identification less likely due to weakened memory/attention
100
True or False: Evidence is processed at local labs because of the concern for the chain of custody if evidence were to be shipped by UPS to a different location.
What is false - receipts for transportation through UPS can be included in the chain of custody without concern to the validity of the evidence.
200
What responsibility trumps all other responsibilities for the first responding police officer to the scene of the crime?
What is medical aid for the injured
200
Explain the difference between a composite and a sketch
What is a composite is a computerized program where the witness looks at several versions of individual features (nose, eyes, brows, etc.) and puts the selected versions together to create a face. A sketch is done with a police artist who has the witness describe the face as he/she draws in the details.
200
Demonstrate the pharmacists fold with a piece of paper and a paper clip
What is folding in 1/3rd from both directions until a small package is created with no open sides.
200
What are the 3 phases that, when combined, make up your memory?
What is Encoding, Storage, Retrieval
200
What are the 4 ways to record the crime scene?
What is 1) notes, 2) videos, 3) photos, 4) sketches
300
What is the name of the currently used analysis that provides a DNA profile?
What is Short Tandem-Repeat (STR) analysis
300
What is a Rogue Gallery and who has a great deal of discretion in connection to the use of a rogue gallery?
What is the filing system of mugshots which witnesses can look through when making an identification. The file administrator has great power in choosing which photos to include in the rogue gallery shown to a witness and ultimately determines (without knowing so) whether he/she is presenting a target present or target absent group.
300
Define whole substrate collection
What is taking the entire object back to the lab for further processing
300
Explain the difference between relative judgment and absolute judgment in lineup selection decisions.
What is relative judgments occur when witnesses select the person who looks MOST like the perpetrator RELATIVE to the other members of the lineup (common in simultaneous lineups) whereas absolute judgments occur when witnesses select a person only if the features line up with their MEMORY of the perpetrator (more likely in sequential lineups)
300
Name 1 of the 3 ways to measure distance in a crime scene sketch.
What is Triangulation, Polar Coordinates, or Base Line
400
Name and explain the 3 types of fingerprints that can be left behind at the crime scene.
What is 1) Plastic, which are left in soft material and create a 3D print, 2) Patent, which are left after contact with some kind of colored material, and 3) Latent, which are left from natural sources which cannot be seen without processing.
400
Explain the 2x2 box options that could occur in any eyewitness identification procedure (you can draw it out if that helps). Which of these are correct vs. incorrect?
What is you could make a choice or not, and it could be a target present or target absent lineup. Those together as columns and rows create 4 options: choosing in a target present lineup and not choosing in a target absent lineup are CORRECT. Choosing in a target absent lineup and not choosing in a target present lineup are INCORRECT.
400
Blood with A antigens in the red blood cells and B antigens in the plasma and no presence of the Rh factor is known as what type of blood?
What is A-
400
Explain the difference between an identification parade, a photo array, and a show-up. Which is the best option to conduct, if possible?
What is a live lineup conducted in front of the witness with at least 6 members from which they will choose 1 person (this is best if possible), a photographic display of at least 6 members presented to the suspect from which they will choose 1 person, a single person (the suspect) presented in either live or photo form to the suspect to indicate yes or no to.
400
What kind of chemical evidence allows investigators to determine how far the muzzle of a weapon is to the target they have hit?
What is gunshot residue
500
What's the difference between a checkerboard search and a lane search?
What is a checkerboard is split into small squares by creating parallel rows and columns through the entire scene and focusing only on each small square before moving on to the next. A Lane search splits the scene into rows OR columns and focuses on finding evidence within that lane before moving on to the next (or having a difference person process each lane).
500

NOT TESTABLE MATERIAL FOR FALL 2018 EXAM: Explain what the double blind testing procedure means in an eyewitness identification situation.

What is the lineup administrator does not know which member of the lineup the suspect is therefore cannot influence the witness's decision through conscious or unconscious bias/feedback. This is called a DOUBLE blind procedure because both the administrator and the witness do not know - if the witness did not but the administrator DID know, that would be a single blind procedure.

500
What are the 3 types of primary classifications seen in fingerprints? Which is most common? What is one secondary classification?
What is Loops, Arches, and Whorls. Loops are most common in approximately 66% of the population. Bifurcation, ridge ending, dot, island, hook, bridge, ridge crossing, etc are all examples of minutiae identified in the secondary classification process
500
Explain the difference between system and estimator variables, and give 2 examples of each
What is System are controllable factors (such as filler similarity, lineup instructions, simultaneous vs. sequential presentation, etc.) whereas Estimator variables are those that are not controllable by the CJ system (such as cross race effect, weapon focus effect, distance/lighting/length of time/view, level of stress/arousal, etc.)
500
Explain the difference between individual and class characteristics. Which one creates an identity vs. an identification?
What is class characteristics (like blood type) is group level information which allows an identity to be created, whereas individual characteristics (such as a DNA sample) allow you to classify down to a group of only 1 person thereby creating an identification
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