Module 3: Physical Evidence Flashcards Preview

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Flashcards in Module 3: Physical Evidence Deck (15)
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1

Physical Evidence

Tangible objects
-Weapons
-Hair
-Blood
-Fibers
-Fingerprints

2

Documentary Evidence

Any type of written or recorded evidence
-Phone Calls
-Recording of Crime by video

3

Demonstrative Evidence

Evidence that is used to help recreate or illustrate a crime
-Model of crime scene for court trials

4

Testimony

Evidence given by a witness during a trial.

5

Identification

The process of determining the chemical or physical characteristics of a piece of evidence. (With as much certainty as possible.

6

Comparison

The process of testing a suspect sample with a known sample to prove if they have a common origin.

7

Probability

The frequency of an event

8

Individual Characteristics

Evidence with characteristics that can be traced back to an individual item or person.
-Fingerprints
-Shoe Patterns/Treads and Wear
-Blood
-Semen Samples
-Firearm markings
-Markings on a Fired Cartridge

9

Ridge Characteristics/ Minutiae

Ridge endings, enclosures, and other details that make up a fingerprint

10

Class Characteristics

Characteristics that can only be associated with a group and not a single source

11

Physical Properties

Describes a substance or object without referring to another substance

12

Chemical Properties

Describes what happens when a substance reacts with another substance

13

Radial Fractures

Fractures that extend outward from the point of impact
-Spokes on a wheel

14

Concentric Fractures

Fractures that form a circle around the point of impact
-Occurs after a Radial Fracture

15

Soil

Surface Material from earth
-Natural
-Artificial