Quizzes - 2nd Half

Question 1

List three considerations when determining how to treat an exhibit with a chemical process

Answer 1

1) Matrix
2) Substrate
3) Value
4) Seriousness of Crime
5) Portability
6) Sentimental Value to Owner

Question 2

Name 2 reasons why you would use dye stain on exhibits treated with CA

Answer 2

1) Enhanced detail
2) Eliminate background
3) Make latent impressions visible
4) Increase contrast with background
5) Reveal impressions that were not visible prior to staining

Question 3

What wave length of FLS should be used for viewing the dye stain Androx

Answer 3

UV

Question 4

What wave length of FLS should be used for viewing the dye stain Brilliant Yellow

Answer 4

450-485

Question 5

What wave length of FLS should be used for viewing the dye stain Rhodamine 6G

Answer 5

505-535

Question 6

What are the limits in nanometers of the visible light spectrum

Answer 6

400-700 nm

Question 7

6 proccesses, in order (excluding powders) to develop a fingerprint on a dry piece of paper

Answer 7

1) Visual examination
2) Iodine fuming
3) DFO / Indandione/Zinc
4) Ninhydrin
5) Silver Nitrate
6) Oil Red or Physical Developer

Question 8

What does Ninhydrin react with

Answer 8

Amino Acids

Question 9

T/F - In fluorescence photography, the barrier filter is always in front of the light source

Answer 9

False - Excited filter is

Question 10

What is the recomemded dye stain used to view friction ridge detail developed with CA using the laser

Answer 10

Rhodamine 6G

Question 11

For general search of a crime scene, what is the optimal wavelength of an alternate light source to us

Answer 11

Blue light - 450nm

Question 12

What is the recomended examination process for wet glass

Answer 12

Molybdenum disulphide

Moly-di

Question 13

T/F - When painting with light at night, your camera should be on manual mode

Answer 13

True

Question 14

Name 2 flash techniques you could use to photograph an outdoor crime scene at night

Answer 14

1) Synchronized flash at camera
2) Flash with slow sync
3) Flash with rear sync
4) Multiple flashes at camera
5) Multiple flashes away from camera

Question 15

What are the 2 methods of measuring used for a plan drawing

Answer 15

1) Baseline Offset

2) Triangulation

Question 16

7 pieces of information you should include on a rough sketch of a crime scene

Answer 16

1) Compass direction
2) Name
3) Date/time sketch made
4) Weather/temperature
5) Legend
6) Address of location
7) Reference points used (X/Y, A/B)

Question 17

Why is it important to have knowledge of various footwear manufacturing processes

Answer 17

1) Recognize potential class characteristics in an impression and understand their value
2) Credibility in Court - Increase weight of evidence

Question 18

Explain the term Randomly Acquired Characteristics (RAC) as it applies to footwear impression analysis

Answer 18

Occurs when something is:

• randomly added or
• taken away

from the shoe outsole that causes or contributes to making the shoe outsold unique

Question 19

5 possible opinions following a footwear comparison and evaluation

Answer 19

1) Identification
2) Exclusion
3) Inconclusive
4) Association of class characteristics
5) Higher degree of association

Question 20

When considering Randomly Acquired Characteristics during footwear comparisons, what 4 aspects of each characteristic should be considered

Answer 20

1) Size
2) Shape
3) Location
4) Orientation

Question 21

What 3 patterns can be classified into basic bloodstain pattern groups

Answer 21

1) Gravity
2) Spatter
3) Transfer

Question 22

2 basic premises pf bloodstain pattern Analysis are that bloodstain patterns are _______ and _______.

Answer 22

1) Predictable

2) Reproducible

Question 23

A video recording should include an overall, midrange and close-up shots of the point of the interest. In order to accomplish this, the proper methodology to use is…

Answer 23

1) walk toward the point of interest
2) film the overall view then stop, move in and re-establish the shot by changing the viewpoint slightly - CORRECT
3) Take advantage of the zoom feature and zoom in from overall to mid-range

Question 24

T/F - A 360 degree shot is completed in one movement

Answer 24

False!

Question 25

When sampling for possible gunshot residue, what areas should be sampled

Answer 25

1) Hands

2) Face

Question 26

What are the 2 things we try to establish through the determination of bullet trajectory

Answer 26

1) Location of firearm when it is fired

2) Path of the fired bullet

Question 27

T/F - When taking a control sample of paint from a vehicle, you should always scrape down to bare metal

Answer 27

True!

Question 28

What steps should be taken prior to transporting deceased victims to the morgue? All that apply…

Answer 28

1) Take photos of the body in SITU
2) Bag the hands and feet of the victim to secure any possible evidence
3) Seal the body bag to ensure continuity

Question 29

Should you sample paint from the hood of a vehicle for comparison purposes; why or why not?

Answer 29

No, an additional layer may have been added for protection from rocks

Question 30

What is the main consideration when dealing with evidence that will be examined for DNA

Answer 30

Avoid cross-contamination