Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

csi > crime scene processing > Flashcards

crime scene processing Flashcards

1
Q

What does ALS stand for?

A

alternative light source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what does FLS stand for?

A

Forensic light source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

T/F: FLS and ALS are portable light sources?

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what kind of evidence can you find under ALS lighting?

A

fingerprints, fibres, hair, and human body fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What kind of search results does ALS lighting give?

A

presumptive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

how is presumptive evidence confirmed

A

at the lab for DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

T/F: ALS does not have multiple wavelengths.

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is needed for ALS/FLS photography?

A
  • orange filter on lens
  • high depth of field
  • low ISO
  • timed exposure
  • remote shutter release
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What identification system did alphonse bertillion create?

A

bertillionage/anthropometry system measuring 11 body parts and comparing lengths

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what was the point of anthropometry?

A

distinguish first time offenders from recidivists

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what was anthropometry replaced by?

A

fingerprints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What method of photography did alphonse bertillion make?

A

use of camera mounted on high tripod and incuding a scale on the edge of his photos

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what did hans gross do for forensics?

A

published criminal investigation
- comprehensive description for using physical evidence to solve crimes
also coined the word “criminalistics”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what did edmund locard create?

A
  • locards exchange principle
  • first crime lab in france
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

where was the first US crime lab opened? and by who

A

LA by the LAPD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is AAFS and where was it made?

A

American Academy of Forensic Science in Chicago, Illinois

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what did the AAFS create?

A

JFS Journal of Forensic Science

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Who developed gas chromatography, where, and why?

A

Lucas, in Canada to identify petroleum products

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

how was gunshot resiue first detected?

A

using scanning electron microscopy with electron dispersive X-rays

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what developed fingerprints in 1977? and where?

A

cyanoacrylate in Japan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

where was DNA used for the first time in a crime scene

A

England

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the AFIS and who made it?

A

computerized fingerprint database and the FBI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is the NAS report?

A

indicated deficiencies and inconsistencies in practices, training, policy, standards, and oversights

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the Hart House report?

A

report of multidisciplinary discussion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

what is the PCAST report?

A

discusses various comparison disciplines in a full and frank manner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

how does crime scene processing start?

A

call/request

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

where does crime scene processing start?

A

think court & contamination (PPE)

28
Q

how does crime scene processing gain lawful access to the scene or item?

A

authority

29
Q

what are crime scene examiners responsible for?

A
  • recording, documenting and examining the scene
  • collection and preservation of evidence
  • submitting exhibits for further examination
  • carrying out role independantly and without tunnel vision
  • support service for front line officers and investigators
  • testifying in court
30
Q

what are the three steps to crime scene examination

A

Learn, Plan, Act

31
Q

what is the purpose of the Learn step in crime scene examination?

A

gather information and intelligence
- recognize and take care of issues that present themselves right at the start

32
Q

what is the purpose of the Plan step in crime scene examination?

A

assess, develop plan and prioritize steps

33
Q

what is the purpose of the Act step in crime scene examination?

A

processing the scene

34
Q

what are the steps of learning in crime scene examination?

A
  1. speak with first responders regarding their observations/actions
  2. consider possible safety issues - what PPE is required
  3. determine necessity of obtaining consent to search and/or a search warrant or what legislation you are relying on
  4. evaluate and establish a path of entry/exit
  5. evaluate initial scene boundaries
  6. determine number/size of scene and prioritize
  7. determine and request additional investigative resources as determined and needed *ongoing as investigation continues
  8. ensure continued scene integrity
35
Q

what does a scene walk through provide?

A
  • provides an overview of the entire scene
  • first opportunity to see and identify valuble and/or fragile evidence
  • allows for the development of a plan for systematic examination and documentation of the scene
36
Q

in what order are scenes typically processed?

A
  1. photography
  2. video
  3. notes
  4. rough sketch & measurements
  5. scnee examination with ALS and BPA
  6. exhibit collection
  7. search for further evidence
37
Q

what do you start with in photography?

A

general to specific

38
Q

what is a UAV?

A

unmanned aerial vehicle (ie a drone)

39
Q

why would you use a UAV?

A

cheaper than aircraft, faster, and picture/video quality is pretty good

40
Q

what are videos used for?

A
  • quick overall perspective of a crime scene
  • tie various areas and scenes together
  • used in larger scenes/ serious cases
  • exterior to interior
41
Q

t/f: you should narrate video evidence

A

false

42
Q

how do you obtain lawful authority?

A
  • consent
  • search warrant
  • legislation
43
Q

what answers are needed for informed consent?

A
  • person did consent to the search
  • has the authority to consent
  • aware what the police were going to do
  • consent was voluntary
  • aware of the right to refuse
  • aware of the potential consequences of giving consent
44
Q

what do search warrants authorize

A

limited time search of the place for seizing “things”

45
Q

t/f: you can seize drugs under section 487 of the criminal code.

A

false you need a warrant under Controlled Drugs and Substances Act

46
Q

what does the coroners act do?

A
  • allows coroners to enter and inspect any place where a body is and any place based on reasonable grounds a body was removed
  • inspect records and seize anything relavent to investigation
  • police must assist coroner when requested
47
Q

T/F: police can act as a coroner in a scene

A

true under the direction of coroners act

48
Q

what is a primary crime scene

A

where actual crime scene occured

49
Q

what is a secondary scene?

A

location where subsequent crime or actions related to intial crime scene occured

50
Q

T/F: in public areas police have no right to conduct investigations, but they do not need permission to close an area after getting a warrant.

A

FALSE

51
Q

what types of evidence are there?

A

impression
dna
physical
digital

52
Q

what is the CFS?

A

centre of forensic science

53
Q

t/f: the CFS is independant of the police and court system

A

true

54
Q

where are the 2 CFS locations

A

toronto and sault ste. marie

55
Q

what are the sections of the cfs

A

biology
chemistry
documents
firearms and toolmarks
toxicology

56
Q

what are the dna sections of the CFS? and what evidence is accepted?

A

high volume service (HVS): mainly B&Es, theft, drug offences, weapons, stolen vehicles
violent crime service (VCS): all primary designated offences except B&E, homicides, robbery, SA
only accept: cigarette butts, swabs, cut outs from envelope flaps

57
Q

what do you do when a blood stain is dry and oyu need to swab?

A

moisten swab with distilled water

58
Q

do you collect negative control swabs

A

no, not needed DNA testing is more sensitive

59
Q

when is a moisten swab needed other than blood?

A
  • drink containers
  • partially eaten food and utensils
60
Q

What is the NDDB? and who made it

A

national DNA data bank, RCMP

61
Q

what does the NDDB do?

A
  • link crimes together with no suspects
  • help identify suspects
  • eliminating suspects when there is no match
  • determine whether a serial offender is involved
62
Q

T/F: DNA identification act sys that DNA profiles can only be used for law enforcement purposes

A

true

63
Q

what are the two indices of the NDDB?

A

COI: convicted offender index
CSI: crime scene index

64
Q

what was the worlds first national database?

A

UK’s National DNA Database

65
Q

what is the interpol DNA database?

A

automated DNA database called DNA gateway

66
Q
A

csi (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions