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Flashcards in Quizzes Deck (120)
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1

What is the container that holds all other components that make up a live round of ammunition?

cartridge case

2

Pellet guns, BB guns, airsoft pistols, and paint guns are all firearms

false

3

Under what federal statute is a firearm defined

Title 18

4

nominal diameter of the bore in inches

caliber

5

effect that creates a reaction due to pressure and force within a firearm

bite, kick, recoil

6

land in a barrel creates a groove on a bullet

true

7

eliminations cannot occur during level 1 analysis

false

8

theory and foundation of tool mark analysis is based on

uniqueness

9

analysis should not be conducted if a tool mark is submitted without a tool

false

10

what firearm type may not exhibit rifling in the barrel

shotgun

11

class characteristics can identify an object to the exclusion of all others

false

12

anything used to gain mechanical advantage is known or considered to be

a tool

13

toolmarks are either impressions or striations and may be both

true

14

caliber of a bullet can be determined by the diameter of a bullet hole

false

15

bullets, fragments, shotshells and cartridge cases can all be entered into IBIS

true

16

shooting reconstruction utilizes the scientific method

true

17

nibin does not require examiner verification of high confidence candidate matches to determine a hit

false

18

cartwinpro is an external resource utilized by firearm and toolmark examiners to determine manufacturing information related to specific ammunition components

true

19

a shooting reconstruction always portrays an absolute interpretation of the events that occurred at the scene

false

20

nibin stands for the national integrated ballistics identification network

true

21

essential in your evaluation prior to scene reconstruction

recover, review, reconstruct

22

the goal of reconstruction is to

develop a most likely sequence of events

23

most reconstructions are done

after the fact with little or no visit to the scene

24

reconstruction is based on the application of

several disciplines to include all the above (firearms identification, ballistics, wound ballistics)

25

the angle of incidence of the impinging bullet/pellet to the surface

angle of impact

26

used by firearm examiners for identifying and comparing individual characteristics on bullets and cartridge cases

comparison macroscope

27

bullets fired at or near 90 degrees create what type of defects

circular

28

two types or surfaces that bullets come into contact with in shooting reconstruction

frangible and non frangible

29

reconstructions are based on which type of reasoning

inductive and deductive reasoning

30

method will assist in the determination of the angle of impact when there is only one bullet defect and it is oblong (bullet does not travel completely through the surface and there is not an exit hole)

width to length ratio