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death investigations Flashcards

1
Q

In 2017 what was the percentages of death scenes?

A

40% outside of a hospital
3.6% suicide
0.6% murder

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2
Q

Who oversees all death investigations?

A

coroners office

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3
Q

what are the 5 questions asked when investigating a death?

A
  1. who
  2. when
  3. where
  4. how
  5. by what manner
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4
Q

who can order the removal of a body from a scene?

A

only the coroner

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5
Q

T/F: police work for the coroner?

A

true but only during death investigations

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6
Q

when are police allowed to collect evidence outside during a death scene?

A

due to exigent circumstances

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7
Q

What does coroners authority give police during an indoor scene?

A

cannot seize any evidence without permission/direction of coroner

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8
Q

what kind of warrant can a coroner obtain?

A

coroner’s warrant for medical and dental records

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9
Q

what are the types of manner of death?

A

natural: medical reason
unnatural: suicide, homicide, undetermined or accidental

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10
Q

what is cause of death?

A

injury or disease responsible for causing the death

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11
Q

what is the forensic response to death scenes?

A
  • begins with call/request for service
  • investigators are assigned to the case
  • they will attend scenes, deal with exhibits, make submissions and go to post mortem
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12
Q

What is involved in scene information/intelligence?

A
  • speaking with officers who responded to call/scene
  • does not speak to witnesses
  • has coroner been contacted/attending the scene
  • consider authority required to process scene
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13
Q

how should information be treated after being gained at the scene?

A

not accepted as facts

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14
Q

what are considerations in death scenes?

A
  • always treated as unknown till proven otherwise, follow the evidence
  • start with outside perimeter - is it secure, is it enough, has crime scene log been started
  • PPE
  • confirm the coroner has been contacted
  • permission
  • private vs. public property
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15
Q

what are considerations of scene assessment in exterior?

A
  • follow plain view evidence (ie footwear, tire tracks, weapons, blood, notes etc.)
  • size up the scene, after documentation what steps need to be done?
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16
Q

why do we wear PPE?

A

because of the media?????

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17
Q

what clues/evidence are you looking for in death investigations?

A
  • open doors/windows or closed doors/windows
  • signs of forced entry
  • footwear and tire tracks
  • cigarette butts
  • blood stains
  • unlocked/locked doors
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18
Q

in terms of witnesses/ potential people who knew victims, what might be different in suicide cases?

A

they might know some information regarding the suicide (ie. illness, financial issue, domestic problems etc.)

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19
Q

T/F: notes are always left at the scene.

A

false

20
Q

what is the mechanism of suicide?

A

the cause

21
Q

what are questions needed to be asked in suicide cases?

A
  • could the deceased cause the injuries that led to their death?
  • was the person physically able to accomplish act?
  • are wounds within reach?
  • is there more than one cause of death?
  • are there hesitation marks or wounds
22
Q

in hanging cases what should you look for/do?

A

look for:
- position of knot on neck
- type of ligature
do:
- cut several inches above the neck
- preserve the knot
- don’t remove noose
- take measurements of the body position

23
Q

what should you look for in shooting scenes?

A
  • bloodstain pattern evidence
  • stippling from GSR/blood
  • length of long gun and length of arm to trigger finger
24
Q

in overdose deaths what should be seized?

A

bottles and empty remaining pills but not put in the body bag

25
Q

define attributes of suspicious death.

A
  • cause of death is unclear
  • decomposition is a mitigating factor
  • no family or friends in the area
  • position/location of body
  • stories/allegations
  • lack of medical history
  • identity is unknown
  • location - inside/outside/buried
26
Q

For the missing person scenario what was the cause of death?

A

hypothermia, she had ulcers in an opened stomach demonstrating characteristic leopard skin

27
Q

in the criminal code which section is homicide?

A

222 (1)

28
Q

define first degree murder

A

premeditated death (planned and deliberate)

29
Q

define second degree murder

A

meant to kill person but not preplanned

30
Q

define manslaughter

A

did not intend to kill

31
Q

what does POI mean?

A

person of interest

32
Q

what is included in the processing of a death investigation?

A
  • notes
  • photos
  • video
  • sketch
  • measuring device
  • aerial photos
  • processing scene/seizing exhibits
33
Q

What does a forensic anthropologist do?

A

collect and examine human remains

34
Q

What does a forensic entomologist do? :D

A

collection of insects from body followed by analysis

35
Q

What does a blood stain pattern analyst do?

A

examines scenes with extensive bloodstaining

36
Q

What does a forensic odontologist do?

A

confirm identity via teeth

37
Q

What does a forensic pathologist do?

A

conducts autopsy, determines cause and manner of death

38
Q

T/F: bite mark analysis is not an accepted science in Canadian courts.

A

true

39
Q

Why is forensic odontology important

A

because tooth enamel can persist in harsh conditions and they interact with our environment reflecting conditions an individual has experienced in life

40
Q

what are the variables in forensic odontology?

A

, size & position of teeth

41
Q

what are the problems associated with forensic odontology

A

teeth change over time

42
Q

when are forensic anthropologists required?

A

when remains are:
- fragmented
- dismembered
- burnt
- decomposed
- otherwise unidentifiable by visual means

43
Q

what is the golden rule of homicide scene processing

A

when in doubt get a search warrant

44
Q

generally on a homicide case what should be processed first?

A

the body

45
Q

in body examinations what should you do?

A
  • note position
  • measure position in detail
  • start at top and work way down
  • look at both front and back sides
  • look for trace evidence
  • use ALS or laster to assist in search
  • hairs, fibres, and DNA can be collected
  • clothing/ BPA
  • note state of clothing
  • obvious injuries
  • assess environment
  • presence of jewlery, phone, wallet, etc.
  • items in immediate vicinity of body
46
Q
A

csi (11 decks)

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