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forensics > State Crime labs > Flashcards

State Crime labs Flashcards

1
Q

collects evidence

A

crime scene personnel

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2
Q

delivers evidence to lab

A

law enforcement

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3
Q

clandestine lab

A

street peeps making drugs

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4
Q

drug color test

A

marquis test

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5
Q

purple means

A

opiates (heroin)

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6
Q

orange means

A

amphetamines

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7
Q

blood and urine analysis to detect

A

alcohol, prescription drugs and illicit drugs

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8
Q

98% of toxicology cases are

A

DWI

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9
Q

Latent evidence includes

A
  • footprints
  • tire treads
  • fingerprints
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10
Q

firearm unit looks at

A
  • ammunition components
  • firearm function
  • serial number restoration
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11
Q

Kastle Meyer test for

A

blood

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12
Q

AP test for

A

semen

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13
Q

DNA analysis

A
  • extraction
  • quantitation
  • amplification
  • capillary electrophoresis
  • data interpretation
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14
Q

DNA can tell

A
  • gender
  • frequency of match to comparison
  • potential suspect
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15
Q

DNA cannot tell

A
  • when DNA was deposited
  • if something was consensual
  • race of profile
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16
Q

comparative disciplines

A
  • hair
  • fiber
  • tape
  • paint
  • glass
  • physical fit
17
Q

identification disciplines

A
  • fire debris
  • gunshot residue
  • filament
18
Q

hair analysis

A
  • determine animal species
  • area of body
  • ancestry
19
Q

fiber analysis

A

fiber type (synthetic or natural)

20
Q

paint analysis

A
  • layer structure
  • texture
  • physical properties
  • chemical composition
21
Q

tape analysis

A
  • backing
  • adhesive
  • scrim
22
Q

fire debris analysis

A

determine is accelerant or ignitable liquid is present in the debris

23
Q

accelerants include

A

gasoline, kerosene, diesel fuel, etc

24
Q

gunshot residue analysis

A
  • elements found in the residue
  • if someone fired, was in the presence, or handled a gun recently

forensics (8 decks)

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