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CSI (3rd year) > Death Scene Investigations > Flashcards

Death Scene Investigations Flashcards

1
Q

how many reported deaths were there in canada in 2017

A

276,689 reported deaths

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2
Q

how many reported deaths were outside of a hospital in canada in 2017

A
  • 110 410
  • 40%
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3
Q

how many reported deaths were suicides in canada in 2017

A
  • 3974
  • 3.6%
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4
Q

how many reported deaths were murder in canada in 2017

A
  • 660
  • 0.6%
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5
Q

in ontario, which death scene investigations are overseen by the coroners office

A

all of them

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6
Q

what gives the coroners office their power

A

coroners act of ontario

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7
Q

true/false Police assist the Coroner with the investigation

A

true

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8
Q

what is a death investigation

A

A death investigation is a process whereby a coroner or forensic pathologist seeks to understand how and why a person died

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9
Q

A coroner or forensic pathologist must answer how many questions when investigating a death

A

five questions

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10
Q

what questions must a coroner or forensic pathologist answer when investigating a death

A
  • who the identity of the deceased
  • when date of death
  • where location of death
  • how medical cause blunt force trauma to head
  • by what manner natural/ accident/ homicide etc
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11
Q

who is in charge of a death scene

A

the coroner

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12
Q

true/false The police are compelled by legislation to assist the Coroner when requested with a death investigation

A

true

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13
Q

true/false The police work for the Coroner and need to keep them up to date with any death investigation

A

true

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14
Q

what are aspects of the coroners authority

A
  • Gives police permission to enter scene and process deceased
  • Only the Coroner can order a body be removed from a scene
  • Any evidence collected must be due to exigent circumstances
  • in indoor scenes, PO can deal w deceased but cannot deal w evidence without direction of coroner
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15
Q

true/false in indoor death scenes, police officers can seize any evidence they deem necessary

A
  • false
  • must be with permission/ direction of coroner
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16
Q

true/false Consideration may need to be given for a Criminal Code search warrant to be obtained

A

true

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17
Q

Coroner can issue a ______ for things like medical and dental records

A

Coroner’s warrant

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18
Q

who decides whether an autopsy will be ordered or not

A

a coroner

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19
Q

the coroners authority allows them to wish to hold scene pending the outcome of the post-mortem before what

A
  • getting criminal code search warrant or
  • releasing scene
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20
Q

what are the different manners of death

A
  • natural
  • unnatural: homicide
  • suicide
  • accident
  • undetermined
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21
Q

what are the different unnatural deaths

A
  • suicide
  • homicide
  • undetermined
  • accidental
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22
Q

what are the different natural deaths

A
  • medical reason
  • theres only one
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23
Q

what is the cause of death

A

The injury or disease responsible for causing the death

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24
Q

**Person dies from cancer ** what is the cause/ manner of death

A
  • cause cancer
  • manner natural
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25
Q

Person dies from blunt force trauma what is the cause/manner of death

A
  • cause blunt force trauma
  • manner homicide
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26
Q

what should we do when we first get to a scene

A
  • scene info/ intelligence
  • speak w officers who responded to call/ scene
  • check if coroner has been contacted
  • look at outside perimeter (secure/ big enough/ CS log)
  • consider authority needed
  • can you start processing scene (permission from coroner)
  • don’t talk to witnesses
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27
Q

information you receive when attending a death scene should be _______

A
  • treated carefully
  • not accepted as facts
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28
Q

true/false information you receive when attending a death scene should be accepted as facts

A
  • false
  • shouldn’t be accepted until you are satisfied by evidence you see and find
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29
Q

Death scenes should always be treated as ____ until proven otherwise

A
  • an unknown
  • follow the evidence
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30
Q

should you wear proper PPE when at a death scene

A

yes, right from the start

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31
Q

true/false Once you have been told something you can’t unhear it

A
  • true
  • contextual bias
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32
Q

true/false There is nothing wrong with being cautious even skeptical

A

true

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33
Q

true/false there is no rush in a death investigation

A

true

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34
Q

** true/false** you should follow the hidden evidence and see where it leads you

A
  • false
  • follow plain view evidence
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35
Q

Size up the scene, ______________ what steps will need to be done and the order to do them in

A

after documentation

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36
Q

you should think of a crime scene in terms of _____ and ______

A
  • layers
  • areas
  • deal w one layer then go on to the next one
37
Q

true/false Observations should lead to immediate conclusions

A
  • false
  • they shouldn’t
38
Q

true/false A picture is worth a 1000 words

A

true

39
Q

true/false we are looking for potentially anything and everything

A

true

40
Q

true/false In general, there is often some information from those who knew the deceased indicating the possibility of suicide

A

true

41
Q

true/false Notes are often left at scenes

A
  • false
  • they sometimes are
  • often not
42
Q

what are some mechanisms for suicide

A
  • overdose
  • shooting
  • hanging
  • idk just think about killing yourself and what youd do
43
Q

true/false Any way is possible to kill yourself if someone is determined enough

A

true

44
Q

what are some questions you should ask regarding suicide injuries

A
  • Was the person physically able to accomplish the act?
  • Are the wounds within the reach of the deceased?
  • Are the wounds grouped together?
  • Is there more than one cause of death? (from autopsy)
  • Are there any hesitation marks or wounds?
  • Describe the nature and position of the injuries
45
Q

what should you look for at hanging scenes

A
  • position of knot on neck
  • Type of ligature
  • Try to preserve knot(s)
  • Take measurements of body
    position
46
Q

where should you cut the rope when taking a hanging body down

A

between attached location and several inches above the neck

47
Q

true/false we should remove the noose from the neck

A

false

48
Q

what should you note with shooting scenes

A
  • Look for bloodstain pattern evidence, things like voids, position of staining
  • Stippling from GSR/blood
  • How was trigger pulled?
  • Length of long gun and length of arm to trigger finger
49
Q

true/false you should handle a firearm even if don’t know how it works

A
  • false
  • be sure you know how it works
50
Q

what should you note with overdose deaths

A
  • prescriptions
  • non-prescription
  • opiods
51
Q

true/false you should put remaining pills in the body bag

A
  • false
  • please don’t
52
Q

what is a suspicious death

A
  • cause of death is not clear
  • no family/ friends in area
  • stories/ allegations
  • lack of med history
  • identity is unknown
  • weird location
53
Q

what is a mitigating factor with suspicious deaths

A

decomposition

54
Q

describe the scenario of the missing person outlined in the lecture

A
  • Female reported missing by husband
  • Husband has a lengthy criminal record
  • Couple has a history of domestic violence
  • One month later, female located deceased in a remote location
  • Location is walking distance from nearby rural town
55
Q

what was the cause of death in the case of the missing person outlined in lecture

A
  • Autopsy in Toronto revealed the cause of death to be from hypothermia
  • Alcohol consumption was a contributing factor in death
56
Q

what is associated w hypothermia

A
  • Wischnewski ulcers in an opened stomach
  • demonstrating the characteristic “leopard skin”
57
Q

what is a homicide

A
  • Death that has occurred as a result of someone else’s actions
58
Q

what section of the CC is homicide

A

222 (1)

59
Q

what is 1st degree murder

A
  • premeditated death
  • (planned and deliberate)
60
Q

what is 2nd degree murder

A

meant to kill person but not preplanned

61
Q

what is manslaughter

A

person did not intend to kill person by their actions

62
Q

true/false Scenes located outside in the public domain with no expectation of privacy do not require a search warrant

A

true

63
Q

true/false Scenes outside on property of suspect/POI do not require a search warrant

A
  • false
  • they will require one
64
Q

true/false Victim’s property, residence/vehicle, will usually not require a search warrant

A

true

65
Q

what does POI stand for

A

person of interest

66
Q

what does a forensic anthropologist do

A
  • collection and examination of human remains, usually skeletal
  • in the context of investigations (criminal or civil) to determine age, gender, ancestry, and other conditions
67
Q

what does a forensic entomologist do

A

collection of insects from body (by forensic personnel) followed by analysis (entomologist)

68
Q

what does a Bloodstain Pattern Analyst do

A

examiners scenes with extensive bloodstaining

69
Q

what does a Forensic Odontologist do

A
  • confirm identity via teeth
  • ex. swiss air crash
70
Q

what does a Forensic Pathologist do

A

conducts autopsy, determines cause and manner of death (if possible)

71
Q

true/false bite mark analysis evidence is an accepted science in Canadian courts

A

false

72
Q

what is tooth enamel

A
  • hardest substance of human anatomy
  • persists in harsh conditions
73
Q

true/false teeth can reflect conditions and individual has experienced in life

A

true

74
Q

when is forensic entomology most often used

A
  • missing person cases
  • unidentified bodies
  • mass disaster cases
75
Q

what is a prerequisite to human identification from dental records

A

dental X-rays prior to death

76
Q

what are variables with human identification from dental records

A
  • # , size, & position of teeth
  • amount, size, location of dental work
77
Q

what are problems with human identification from dental records

A
  • teeth change over time
  • need forensic odontologist to
    assess variability between teeth
    from remains and X-rays.
78
Q

what is the 1st task of a forensic anthropologist

A
  1. determine if the items are bones
  2. if they are of human origin
79
Q

Forensic anthropologist is required for identification purposes when recovered human remains are what

A
  • Fragmented
  • Dismembered
  • Burnt
  • Decomposed
  • Remains are otherwise unidentifiable by visual means
80
Q

when will you require a search warrant for inside homicides

A

Anywhere suspect(s) have an expectation of privacy

81
Q

what is the golden rule of indoor homicides

A

When in doubt get a search warrant

82
Q

how should you photograph a homicide scene

A
  • work your way towards the body
  • photo as you go
83
Q

what happens when you come across possible evidence in an indoor homicide

A

make a choice: deal w it now or later

84
Q

should you deal w evdence or the body first?

A
  • depends
  • generally do the body first
  • but if evidence could be lost/ damaged, then do that first
85
Q

what should you note when doing body examinations

A
  • position body found in
  • Measure position of body in detail
  • Start at the top and work your way down
  • Need to look at both front and back sides
  • Looking for trace evidence
  • use ALS or laser to help
  • collect hairs/ fibres/ DNA
  • note clothing and state of clothing
  • obvious injuries to body don’t speculate
  • asses enviornment
  • presence of personal items jewelery, phone etc
  • items in immediate vicinity of body
86
Q

when can you swab stains/ remove clothing to protect and preserve bloodstain evidence

A

only with authorization of pathologist

87
Q

what happens if someone unauthorized enters the scene

A

tell them to move

88
Q
A

CSI (3rd year) (16 decks)

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