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l5 major case investigation Flashcards

1
Q

what is the L.O.S.E.R principle?

A

Listen, Observe, Search, Evaluate, Record

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2
Q

Explain each letter of the L.O.S.E.R principle

A

Listen- determine who you have to listen to
Observe- attentive to surroundings
Search- determine best method
Evaluate- ask questions
Record- may be years before case gets to court

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3
Q

what is the role of major case manager?

A

overlooks entire case, sets team meetings, ensures team is not tunnel visioned

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4
Q

what is the role of the file coordinator?

A

data input

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5
Q

what is the role of lead investigator?

A

manages the scene and everyone working on it

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6
Q

what notable case emphasized the need for major case management? why?

A

Paul Bernardo, believe he slipped through the cracks multiple times because of lack of communication, organization and management

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7
Q

lack of major case management has the risk of not recognizing…?

A

patterns and links of serial killers

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8
Q

what are the 6 types of major cases?

A
  1. homocides
  2. sexual assault
  3. non-familial abductions
  4. missing persons indicating foul play
  5. human remains
  6. criminal harassment
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9
Q

t/f any case can be considered a major case if deemed so by the Major Case Management Executive Board

A

true

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10
Q

Major case identification systems are useful for..?

A

early detection and linkages

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11
Q

what is ViCLAS? what is it used for?

A

Violent Crime Linkage system, compare violent crimes through victimology and offender description

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12
Q

purpose of center of forensic sciences?

A

scientific lab services

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13
Q

purpose of the office of chief coroner?

A

storage of all death reports investigated by coroners in Ontario

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14
Q

what is the DNA data bank?

A

National storage of DNA profiles for unknown samples and offenders

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15
Q

What is the Canadian Police Information Center?

A

national storage of all crime-related data

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16
Q

What is Power Case?

A

major case management software, centralized and secure data storage

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17
Q

role of serial predatory crime investigator

A

Review multi and single jurisdiction investigation of linked major cases

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18
Q

what is the Ontario Sex Offender Registry?

A

convicted offenders report to and supply police with current address and change of address

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19
Q

what is another term for the Ontario Sex Offender Registry?

A

Christopher’s Law

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20
Q

role of forensic identification officers?

A

crime scene work, collect evidence, record

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21
Q

role of forensic pathologist?

A

autopsies

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22
Q

role of forensic odontology?

A

identification using teeth, not as reliable

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23
Q

role of forensic anthropology

A

bones

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24
Q

role of forensic entomology?

A

bugs, used for estimated time of death

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25
what is a cause of death?
disease/injury responsible for lethal sequence of events
26
what is manner of death?
explains how cause of death arose
27
what is a mechanism of death?
process (biolochemical/physiological) leading to death
28
primary way of pronouncing death
presence/absence of a heartbeat
29
what are the three stages to look for when determining the time of death?
rigor mortis, livor mortis, algor mortis
30
explain rigor, livor, and algor mortis
rigor mortis- stiffening of body (4hr;24-36hr) livor mortis-settling (mins; 36hr) (fixed at 12h) algor mortis- cooling (variable)
31
how else is livor mortis useful other than determining time of death
blood settles to lowest point of body depending on how body is positioned; helpful to determine if body was moved
32
role of coroners?
do not determine civil/criminal responsibility, rather make recommendations to prevent future deaths and improve public safety
32
what is the difference between a medical examiner and a coroner?
depending on the location, they are essentially the same but coroners are medical doctors, whereas medical examiners do not have to be doctors
33
t/f corners in Ontario are medical doctors with specialized training in death investigation
true
34
difference between coroners and pathologists?
coroners determine cause of death, pathologists conduct autopsies
35
physician who often practices in a legal context
pathologist
36
t/f coroners order autopsies
true
37
what are the main parts of a death investigation?
Certification and investigation
38
what are the steps of certification and investigation in death investigations?
Certification -Identify person -cause+manner of death investigation -collection of samples -timing, mechanism, contributing factors -correlation of evidence
39
what are the five manners of death?
Natural, Accident, Suicide, Homocide, Undetermined
40
postmortem examination
examine body to help determine cause of death
41
internal and external examination includes what 3 important steps?
-incision -removal of skull cap -major organs are examined
42
what are the three main natural causes of death?
-ischemia (reduced blood flow) -hemorrhage (bleeding) -infection (bacterial, viral)
43
what are the four main categories of drugs and alcohol for causes of death?
alcohol, street drugs, over the counter drugs, prescription drugs
44
what are the four main categories of trauma?
mechaical, thermal, chemical, electrical
45
sharp force produces what type of wounds?
incised wounds
46
blunt force trauma produces what type of wound?
lacerations
47
sign of carbon monoxide poisoning
bright red blood
48
sign of exposure to hydrogen sulfide
green brain
49
sign of methemoglobin poisoning
chocolate brown blood
50
sign of chronic arsenic or thallium poisoning
hair falling out
51
sign of gadolinium poisoning
blue skin
52
sign of cocaine and meth use
changes the shape of the heart
53
what are the two types of thermal trauma
hyperthermia- excessive heat hypothermia- excessive cold
54
what are the two types of electrical trauma?
ventricular fibrillation defibrillatory
55
what is ventricular fibrillation electrical trauma?
low voltage
56
what is defibrillatory electrical trauma?
higher voltages, electrical burns
57
what is asphyxias?
interruption of oxygen to the brain
58
what are 3 types of asphyxias?
chemical and thermal drowning strangulation (manual or ligature)
59
Hyoid bone/cornu of thyroid cartilage & hemorrhaging around fracture site
autopsy findings of asphyxias

forensic sci (15 decks)

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