Data collection, conjecture, generate hypothesis, testing, theory formation, plausible explanation
What are the Stages of Crime Scene Reconstruction?
100
An impression which for all practical purposes has the dimensions of length and width but not a significant depth
What is a two dimensional impression?
100
Respond to scene, responsible for scene security, crime scene survey, documentation, recognition of physical evidence, collection of physical evidence, packaging and preservation.. etc.
What is a police officer?
100
The type of legal system Canada has. Adopted from the British system
What is the Adversial System?
100
2D place from which bloodstains were projected
What is area of convergence?
200
Drops radiate in direct lines from origin to stained surface
What is Impact Spatter?
200
An impression with the dimensions of length, width and depth
What is a three dimensional impression?
200
police, emergency medical and fire fighters, only ones to view crime scene in original condition
What is a first responder?
200
Prepped by police investigators, includes all documentations related to incident, pathology, expert witness, statements, etc.
What is a Case Report?
200
3D location where blood originated, approximated by area of convergence and angle of impact
What is area of origin?
300
Projected outwards and away from source
What is Forward Spatter?
300
An intentional or unavoidable characteristic that repeats during the manufacturing process and is shared by one or more shoes or tires
What is a class characteristic?
300
Anything that can provide useful information and can give clues
What is physical evidence?
300
Crown must prove prima facie case
What is preliminary hearing?
300
Fine, forward and back spatter due to entrance and exit
What is gunshot spatter?
400
Blood projected backward from source
What is Back Spatter (blow back)?
400
The result when something is randomly added or taken away from the original structure of the shoe or tire. Eg. cuts and chips
What is an accidental or individual characteristic?
400
evidence produced by event or action
What is conditional evidence?
400
Technique thats used must be sufficiently established to have gained general acceptance in scientific community
What is the Frye Standard (1923)?
400
Blood is flung from a blood-bearing object in motion onto surface
What is cast off spatter?
500
Force of 5ft/second, minimal force, dropping into and splashing blood pool
What is low velocity spatter?
500
Results from frictional abrasive forces which have crossed the shoe sole perpendicular to the direction of travel
What is Schallamach wear patterns?
500
Not permanent, temporary, easily lost or changed (eg. smells)
What is transitory evidence?
500
Must be necessary to assist the trier of fact, should not trigger any exclusionary rules, must be given by qualified expert
What is the Mohan Ruling (1994)?
500
Blood expelled out of nose, mouth, respiratory system as a result of air pressure and/or airflow