Crime investigations Flashcards

1
Q

What are the 3 types of fingerprint shapes?

A
  1. Loop 65% have this
    2, Whorl 35% have this
    3, Arch 5% have this
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2
Q

What are the 3 types of prints left behind?

A
  1. Latent
  2. Patent or visible
  3. Plastic or impression
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3
Q

Where are places you will never get a print?

A
  • Steering wheel
  • Inside of door
  • Dashboard
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4
Q

Should you always turn in incomplete fingerprints?

A

Yes, still provides a lot of information.

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5
Q

What are the fingerprinting techniques?
*Might not be on the test

A
  1. Powders ***(Graphite Powder)
  2. Super glue fuming (Provides more attempts to get prints)
  3. Ninhydrin (liquid used on paper)
  4. Gentian or Crystal Violet Dye
  5. Small particle reagent
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6
Q

Regarding paper item prints, what technique is available upon request?

A

Ninhydrin

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7
Q

Regarding sticky prints on tape, what technique is available for processing to do themselves?

A

Crystal Violet Dye

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8
Q

What print technique is used on fatalities, because its so destructive?

A

Small Particle Reagent

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9
Q

Special circumstances notations for print cards.

A
  1. Mark fresh cut or bandage
  2. MAB missing at birth
  3. Amputation
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10
Q

ABIS

A

Identification system. (Bran new for Kansas)
Uses biometrics to examine fingerprints.

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11
Q

Property crimes on prints has what?

A
  • 5 year statute of limitations.
  • Other crimes like rape etc have no limitations.
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12
Q

KODIS
NIVEN

A

None offender database.
Firearms database.

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13
Q

What is a Buccal swap?

A

Swab from the mouth.

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14
Q

Predictable effects from passed victims or suspects.

A

Lividity
Rigor Mortis
Insect Activity

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15
Q

Unpredictable effects

A

Officer walking in blood
Officer forcing entry
Officer turning on lights

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16
Q

Transitory Effects

A

Burning cigarettes
Ice melting in glass

17
Q

Relational effects

A

Void in blood spatter
Grouping of cartridge cases

18
Q

Functional effects

A

Is an item functioning properly?

19
Q

What are we looking for?

A

DNA evidence
Trace evidence (W,W,W,H)

20
Q

Do twins have their own dna?

A

No, they share DNA

21
Q

Body swabs, should you get a swab from a bite mark?

A

Yes, DNA in the bite mark.

22
Q

Can you eat, drink or smoke at a crime scene?

A

No

23
Q

In regards to picture taking. What shots will you take?

A

Overall
Mid-Range
Close up

24
Q

Reports Writing items.

A

Introduction
Characteristics of th4e scene
Conditions of the scene
Environmental conditions
Factors pertinent to entry and exit
Scene documentation
Collection of physical evidence
Search
Additional information

25
Q

Evidence tape has what written on it?

A

Initials
Badge number
Case number
Date

26
Q

Broken auto glass advice.

A

Keep a sample of the broken windows for evidence. Sometimes glass is found on the suspect that matches the vehicle.

27
Q

Hemo sticks advice.

A

Normally received from techs. Can detect blood. Tap and will turn green.

28
Q

Death signs used to determine approximate time of death.

A

Rigor mortis
Pallor mortis
Algor mortis
Liver mortis

29
Q

What is Rigor mortis?

A

Stiffening of joints and muscles.

30
Q

What is pallor mortis?

A

Skin of deceased person begins to turn pale.

31
Q

What is algor mortis?

A

The change in body temperature.

32
Q

What is liver mortis?

A

Change of skin color when blood pools in the lower part of the body.