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Chp 9 Flashcards

(78 cards)

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1
Q

All deaths that involve the killing of one human being by the act or omission of another

A

Homicide

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2
Q

Evidence will reveal that death resulted from deliberate intentional and premeditated killing

A

1st degree murder

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3
Q

If the death is caused by deliberate and intentional killing yet premeditation cannot be demonstrated by the investigative evidence

A

Second degree murder

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4
Q

A form of criminal homicide is generally defined as the unlawful killing of a human being without malice aforethought

A

Manslaughter

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5
Q

Least serious form of criminal homicide involves neither are planning nor intent

A

In voluntary manslaughter

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6
Q

Intentional killings that result from some form of provocation on the part of the victim

A

Voluntary manslaughter

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7
Q

Examples1) a father who spontaneously kills the person who sexually abused his child
2)A wife who in the heat of passion killed her husband and his lover upon discovering them in her bedroom

A

Voluntary manslaughter

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8
Q

Usually involves the claim of self-defense where it can be proven that deadly force was necessary to avoid death or great bodily injury to the person or a third-party

A

Justified homicide

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9
Q

Involves accidents where either 1) victims are responsible for their own death or 2)person is killed under legal and unavoidable circumstances

A

Excusable Homicide

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10
Q

Four or more victims killed at one time in one location

A

Mass murder

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11
Q

What are the two subcategories of mass murder

A

Classic mass murder and family mass murder

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12
Q

A single homicidal event involving two or more locations and no emotional cooling off period between the murders

A

Spree murder

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13
Q

Three or more separate homicidal events committed in three or more separate locations by the same killer who experiences and emotional cooling off period between each event

A

Serial murder

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14
Q

When the victims eyes remain open after death a thin film appears over the external area of the eyes producing a cloudy or glazed appearance.

A

Corneal clouding

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15
Q

With in how many minutes or hours does the eye clouding begin

A

Can appear as little as an hour after death, but is usually fully present within 3 hours

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16
Q

The discoloration of the skin that begins immediately after death

A

Livor mortis / lividity

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17
Q

Stiffening of the body for a brief time. Following death

A

Rigor mortis

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18
Q

Rigor mortis- warm and not stiff

A

Time of death 3-6 hrs

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19
Q

Rigor mortis body is warm and stiff

A

Time of death is 6-12 hrs

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20
Q

Rigor mortis- body is cool and stiff

A

Time of death is 12-36 hrs

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21
Q

Rigor mortis body cool and not stiff

A

Time of death is usually greater than 36 hours

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22
Q

The cooling or warming of the body following death

A

Angie mortis

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23
Q

External decomposition of the bodies soft tissue

A

Putrefaction also know as decomp

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24
Q

Within how many hours after does the body begins to show outward signs of bloating

A

36 to 48 hours

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25
How many hours will be entire body shows signs of decomposition
72
26
After how many days will the body appeared to look fully bloated
4 to 10 days
27
After how many days will black putrefaction take place?
After 10 days
28
And how many days does the body undergo dried decay until it is devoid of all tissue leaving only skeletal remains
In 50 days to approximately one year after death
29
Skeletal remains can be used to examine and determine the following
``` Age gender ethnicity identity Appearance Cause of death ```
30
The stretching of the skin around the bullet point of entry
Abrasion ring
31
Small pepper like spots randomly disbursed in a circular pattern on skin around the wound caused by small particles of foreign matter and or gun powder projected onto the skin by force is produced by the shooting
Stippling/tattooing
32
A small dark ring appearing on tissue directly around the bullet entry hole
Bullet wipe
33
Exhibits raised sections of skin surrounding the bullet entry hole
Shored exit wound
34
Is best determined from the victims body through examination of the entry wound
Shooting distance
35
Shooting distance is commonly classified in four categories
Contact Close Intermediate Distant
36
produced by a gun muzzle placed directly on the body at the time the bullet is discharged
Contact wound
37
Explosive gas is travel inside the womb producing a
Stellate entry wound | Or star-shaped
38
An imprint of the guns muzzle
Muzzle contusion
39
Wounds classified as close
6-8 inches | Show stippling/tattooing
40
Intermediate distance wounds
8 inches to 3 ft from body | Show stippling/tattooing
41
Distant wounds
Beyond 3 ft | do not show stippling/tattooing
42
Shooting trajectory
Shots taken at straight or 90 degrees angle round abrasion rings Oval for steeper or more angular trajectory The bullets entry hole is often shouldered or angled in the direction of the bullets travel
43
Stippling/tattooing can help to determine which shot killed the victim if multiple shots fired
Stippling/tattooing is reddish they were alive If it is yellowish or gray they were dead
44
Shotgun contact wounds Seldom have exit wounds unless there are slugs in the shot gun Stippling/tattooing will not be present
Close distance shotgun wounds 5ft or less | Stippling/tattooing is present as well as an abrasion ring
45
Intermediate wounds shot gun 5-10 ft Stippling/tattooing and abrasion ring may be present
Distant wounds Beyond 10 ft Do not show stippling/tattooing
46
Refers to a constriction placed at the muzzle end of a shotgun to control the degree to which the pellet mass spreads or scatters when it is projected
Choke (shotgun choke)
47
Produced when flesh is penetrated or sliced by an object with a sharpened edge
Incision wound
48
The forceful penetration of the skin with an object sharpened only in its tip
Puncture wound
49
Shallow cutting-type incisions on the fingers, the palms of the hands, and the underside of the forearms
Defense wounds
50
Edges of skin surrounding the opening of the wound
Wound marginal | Helps distinguish standings produced by single edge knives from those of other type knives
51
Are the directions,either vertically or horizontally, in which the muscles flow through out the body.
Lines of cleavage
52
Bruises surrounding the wound that are caused by striking of the skin by the hilt of the knife or the area where the blade connects to the handle.
Hilt marks
53
Variation of blunt force trauma wounds
Contusions Avulsions Artifacts
54
Bruising of the skin in areas where force is applied
Contusions
55
Ripping or tearing of the skin produced by the impact of the trauma
Avulsions
56
Portions of skin torn from the body by the force of the trauma
Artifacts
57
Caused by the leakage of blood beneath the skins surface in reaction to some type of striking action or trauma
Bruising
58
Bruising
``` Red Less than 24 hrs Blue-purple to black 1-2 days Green to yellow 5-10 days Yellow/brown to brown 10-14 days Normal skin color after 12 weeks ```
59
Condition where the body is deprived of the amount of oxygen necessary to sustain life, leading to unconsciousness or death
Asphyxia
60
3 categories of asphyxia:
Suffocation Chemical asphyxiation Strangulation
61
The physical restriction of flow of oxygenated blood to the brain, vital organs, and extremities
Strangulation Ex:Hangings
62
Air passages necessary for respiration are obstructed preventing the blood from being replenished with oxygen
Suffocation
63
Gases and other deleterious foreign agents entering the bloodstream prevent oxygen from being absorbed into the bloodstream
Chemical asphyxiation Ex: automobile exhaust
64
Reduced oxygen in the blood stream
Hypoxia
65
Blood that contains little or no oxygen
Anoxia
66
Plum blue color on the skin over most of the body | Lips eyelids finger nails especially
Cyanosis
67
Asphyxiation by suffocation broken into 3 categories
Smothering Choking Drowning
68
Infamous legend in crime scene investigation folklore
Burking (William Burke) | Combines mechanical asphyxiation and smothering
69
Internal air way to the lungs(trachea) is blocked, which prevents oxygen from reaching the lungs
Choking
70
Wrinkles on finger pads Wrinkled fingers and pads Wrinkled palms Wrinkled feet Skin separating from the hands
3 hrs or less Referred to as washerwoman fingers 12 he period 2days 3 days Submerged for 1 week degloving
71
3 subclassifications of asphyxiation by strangulation
Manual Ligature Hanging/strangulation
72
Compression of arteries and veins in the neck rather than restriction of air flow through the throat
Manual strangulation
73
Manual strangulation: To restrict blood flow in the neck region To block the airway within the throat(trachea)
10 lbs or less 30lbs or more
74
Purposefully restrict blood flow to the brain to heighten sexual sensations while masturbating
Autoerotic asphyxiation
75
Poisoning substances most often encountered
``` Drugs/narcotics/alcohol Arsenic Cyanide Thallium Aconitine Atropine Ricin ``` Pg 298 symptoms
76
Homicide typologies
``` Contract homicide Gang homicide Kidnap homicide Drug related homicide Insurance/inheritance homicide Erotomania Domestic Authority Extremist Serial ```
77
Someone mentally fixated on someone Stalking harassing
Erotomania homicide
78
4 types of serial homicides
Visionary-psychological issues Mission- targets victims Hedonistic -fulfill fantasies and selfish desires Power control-fulfilled sexual desires through torturing and controlling

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