Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/12

Click to flip

12 Cards in this Set

  • Front
  • Back
WHAT IS FORENSICS?
THE USE OF SCIENTIFIC KNOWLEDGE, INCLUDING THE COLLECTION, EXAMINATION AND PRESENTATION OF EVIDENCE TO SOLVE CRIMES
WHAT IS THE PRINCIPLE FOR FORENSIC SCIENCE?
LOCHARD'S EXCHANGE PRINCIPLE: 'EVERY CONTACT LEAVES A TRACE'
LIST TYPES OF PHYSICAL EVIDENCE THAT CAN BE COLLECTED FROM A CRIME SCENE
- BLOOD AND SALIVA
- FIBERS AND HAIR
- FINGERPRINTS
- DRUGS
- GLASS
- EXPLOSIVES, GUNS AND AMMUNITION
WHY IS A FINGERPRINT USEFUL FOR IDENTIFICATION PURPOSES?
- UNIQUE CHARACTERISTIC, NO TWO PEOPLE HAVE THE SAME
- PATTERN REMAINS UNCHANGED FOR LIFE
- HAVE GENERAL RIDGE PATTERNS THAT ALLOW THEM TO BE SYSTEMATICALLY IDENTIFIED
FOUR TYPES OF FINGERPRINTS?
- LOOPS
- WHORLS
- ARCHES
- COMPOSITE
WHAT CAUSES A FINGERPRINT TO BE LEFT BEHIND?
WHEN THE RIDGES OF THE SKIN COME IN CONTACT WITH A SURFACE, A SMALL AMOUNT OF OILINESS FROM THE SKIN IS TRANSFERRED, PRODUCING A PRINT
WHY WOULD YOU USE WHITE POWDER TO LIFT A FINGERPRINT?
TO SEE A PRINT ON DARK SURFACES
HAIR CAN HELP IDENTIFY WHAT?
THE AGE, SEX AND RACE OF A PERSON, AS WELL AS ENVIRONMENTAL VARIABLES SUCH AS THEIR DIET AND THE KINDS OF PRODUCTS USED.
WHAT IS A PASSIVE BLOODSTAIN?
DROPS FORMED BY THE FORCE OF GRAVITY ALONE
WHAT IS A TRANSFER BLOODSTAIN?
CREATED WHEN A WET, BLOODY SURFACE COMES IN CONTACT WITH A SECONDARY SURFACE. A RECOGNISABLE IMAGE OF THE ORIGINAL IMAGE MY BE OBSERVED IN THE PATTERN.
WHAT IS A PROJECTED BLOODSTAIN?
WHEN AN EXPOSED BLOOD SOURCE IS SUBJECTED TO AN ACTION OR FORCE GREATER THAN THE FORCE OF GRAVITY.
WHAT IS MEANT BY THE DIRECTIONALITY OF BLOODSTAINS
THEY TELL WHICH WAY THE BLOOD HS TRAVELED. CAN DETERMINE THE LOCATION OF THE VICTIM WHEN ATTACKED.