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test three Flashcards

1
Q

what are we looking for in handwriting analysis in two samples

A

the differences

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2
Q

what are the components of handwriting analysis

A

handwriting slants
rounded letters
shape of letters
spacing between lines

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3
Q

what are the components of handwriting analysis: letter formations

A

how is the letter constructed, how many strokes, one continuous stroke or many strokes combined to make the letter

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4
Q

what are the components of handwriting analysis: the size of letters

A

relationship between size of short and tall letters and between the height and width of a single letter

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5
Q

what are the components of handwriting analysis: the size of letters: line form

A

how smooth and dark the lines are, which indicates how much pressure the writer applied and the speed of writing

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6
Q

what are the components of handwriting analysis: the size of letters: formatting

A

this includes the spacing between letters, the spacing between words, the placement of words on a line and the margins a writer leaves empty on a page

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7
Q

what would cause someone to change the formation of a letter

A

where the letter falls in the word (beginning, middle, or end) the analyst has to find an example of each

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8
Q

forgery definition

A

chemicals to make, alter, or falsify a persons signature or another aspect of a document with the intent or deceive another

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9
Q

what are examples of forged documents

A

checks, employment records, legal documents, licenses, wills

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10
Q

literary forgery

A

piece of writing –> letter or manuscript
try to copy original documents so they use old paper and books to add age paper
they make their own historically accurate inks

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11
Q

Martin Coneely

A

forged Abraham Lincolns signature in 1937

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12
Q

how is counterfeiting money usually caught

A

has a different feel because money is printed on special paper, doesn’t feel right

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13
Q

counterfeit money pen

A

contains iodine
if the bill is counterfeit it will turn bluish black
regularly printer paper has starch
real money will leave a pale yellow brown line that fades quickly

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14
Q

McDonald triad

A

torturing animals, setting fired, bed wedding past toddler age
most serial killers exhibit at least one of these behaviors

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15
Q

visionary motive type

A

insane or psychotic
compelled to murder by entities such as the devil (devil mandated) or God (God mandated)

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16
Q

what is an example of visionary motive type

A

David berkowitz son of Sam

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17
Q

mission oriented type

A

need to “rid the world” of who they deem unworthy or immoral
prostitutes, young women, gay men

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18
Q

what is an example of a mission oriented serial killer

A

green River killer gary ridgway

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19
Q

hedonistic killer and example

A

derives pleasure from killing
Jeffrey Dahmer

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20
Q

thrill killer

A

primary goal to inflict pain or create terror in the victims
victims are often strangers who the killer may have stalked for a period of time
these killers can go long periods of time without killing

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21
Q

comfort (profit) killers

A

material gain and extravagant lifestyle are primary motives. the victims are usually close acquaintances or family members
female serial killers

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22
Q

Ted Bundy

A

most victims were young women with blonde/light brown hair parted in the middle
bite mark evidence from his victims at Florida state university sealed his fate

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23
Q

son of Sam David berkowitz

A

sent letters to new York newspapers signing them son of Sam a reference to the demon he believed lived inside the black Labrador retriever owned by his neighbor Sam carr
targeted young women with long dark hair
targeted male female couples who were seated in parked cars

24
Q

Jack the ripper

A

unidentified serial killer active in the impoverished Whitechapel district of london england in 1888
jack the ripper typically involved prostitutes in the east end of London
throats cut first prior to abdominal mutilations
the removal of internal organs suggests he had anatomical knowledge

25
Richard ramirez the night stalker
self proclaimed devil worshiper randomly raped and murdered his victims in their homes satanic symbols were his calling card
26
Lt Gil Carrillo
Co lead investigator of the night stalker case
27
John Wayne Gacy
killer clown dressed in clown costume and makeup murdered at least 33 teenage boys and buried them under his house promise of construction work
28
Jeffery Lionel Dahmer
Milwaukee cannibal milwaukee monster young boys to his apartment and then drugged, strangled, dismembered, cannibalized
29
the zodiac murders
San Francisco bay area during a 5 year period victims (couples) were attacked on weekends in areas near water with a different weapon and automobile each time symbol with the cross in the circle
30
gary ridgeway, green River killer
murdered women in the Seattle area murdrered 48 teenage runaways and prostitutes, strangled and dumped into the green River in the state of washington
31
Dennis rader
BTK bind torture kill 25 year crime spree in wichita kansas
32
Robert pickton pig farmer
Vancouver area pig farmer murdered as many as 60 female prostitutes
33
barrel
The metal tube through which a projectile or shot charge is fired. May be rifled or smooth The long, metal tube that guides a projectile out of a firearm
34
bullet
the little rounded end of the what you assume a bullet looks like
35
cartridge
a case that holds a bullet, primer powder, and gunpowder
36
primer in a gun
ignites propellant powder within the cartridge, especially acting as the initial spark that starts the combustion process which propels the bullet out of the barrel lead styphnate barium nitrate antimony sulfide
37
what are the parts of rifle/handgun barrel
lands, grooves, barrel
38
lands
part of the barrel that stick out
39
grooves
part of the barrel that go inwards
40
cross section gun : muzzle
end of the barrel where the bullet comes out
41
cross section gun barrel bore
The inside of the barrel. "Smoothbore" weapons (typically shotguns) have no rifling. Most handguns and rifles have "rifling"
42
cross section bore chamber
more wide area before the bore
43
rifling
helical grooves machined into the internal surface of a firearms barrel for imparting a spin to a projectile to improve its aerodynamic stability and accuracy this improves stability in the flight of the bullet
44
gunshot residue
from the discharge of the firearm its on the skin of the shooters hands on the clothing of the shooter and objects close to the shooter
45
what is in the gaseous cloud of gunshot residue
particles composed of primer residue
46
tool marks
The surface of a tool leaves distinctive marks when it is forced against another surface. The impressions made by any tool could link the tool to a crime scene and ultimately to the tool’s owner
47
indentation mark
an impression made by a tool when it is pressed against a softer surface. It is the negative impression of the tool
48
abrasain mark
surfaces slide across one another harder surface leaved scratches on softer surface
49
cutting marks
along the edge of a surface as it is cut blade used to dismember a body can be determined by examining the cut surface of the bone
50
how do tools change over time
using repeatedly oxidation rusting of tools uneven sharpening
51
glass evidence
hard, amorphous, brittle material made by melting silicon dioxide, calcium oxide, sodium oxide
52
laminated glasses
two or more panes of glass bonded by a plastic middle layer windshield
53
tempered glass/ safety glass
subjected to extreme temperatures or chemical treatments to improve its strength side and back windows protect passengers from the dangers of flying shards
54
bullet resistant glass
laminated and tempered glass composed of two layers one hard one soft
55
refraction
change of direction of light from one medium to another (air into water)
56
radial fracture
start at the point of impact and move outward

forensics (4 decks)

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