FRSC 1011H QUESTIONS AND ANSWERS
Name 3 examples of trace evidence carriers - Answer -- Clothing
- Vacuum Sweepings
- Fingernail Scrapings
In the USA, under what 4 cases is search and seizure w/o a warrant justified? - Answer
-- Emergency
- Need to prevent loss/destruction of evidence
- Consented by parties involved
- When in contingence with a lawful arrest
How could evidence be altered during handling and processing? - Answer --
Contamination
- Breakage
- Evaporation
- Accidental scratching or bending
- Improper or careless packaging
What does section 8 of the Charter protect us from? - Answer -Unreasonable search
and seizure
State at least 5 types of physical evidence - Answer -Biological fluids, documents,
drugs, explosives, fibers, FPs, weaponry, ammo, paint, etc.
What is chain of custody? What does it include and why is it so important? - Answer -A
list of all persons who came into possession of an item of evidence
Location at all times and every person who handled it
Allows evidence to be established as an exhibit
What is a standard/reference sample and why is it important? - Answer -Physical
evidence whose origin is known
Many pieces of evidence needs comparison to be corroborated
What was Valentin Ross's 1806 contribution? - Answer -Precise method of detecting
small amounts of arsenic in a victim's stomach
Who is the father of forensic toxicology? - Answer -Mathieu Orfila
What conclusion regarding admissibility came from Daubert v. Merrell Dow
Pharmaceuticals? - Answer -General acceptance is not the absolute standard
How can contamination be prevented? - Answer -- Latex gloves/Nitrile Gloves
- Disposable forceps
- Sanitized equipment
, - Kept in OG condition
Each item must be placed in _____________ containers - Answer -Separate
To avoid contamination
What does a crime scene tool kit include? Name 5. - Answer -- Notebook with pens and
pencils
- Rulers
- Chalk/Crayons
- Scalpels/Razor blades
- Swabs/Sterile Cloth
- Evidence containers
- FP materials
- Vacuum and filters
What container would hair, glass, or fibre go in? What about most trace evidence? -
Answer -Hairs, glass, fibres go in unbreakable plastic pill bottles with pressure lids
Most trace evidence goes in manila envelopes, screw-cap glass vials, or cardboard
pillboxes. NO ORDINARY ENVELOPES
What is illumination and how is it measured/adjusted? - Answer -Light falling on an
object
Measured by light meters
Amount of light present, flash units, reflectors, filters, tripods, and angles for
direct/oblique lighting
Who wrote Finger Prints in 1892? What was it about? - Answer -Englishman Francis
Henry Galton
Outlined means of classifying and filing FPs and is the basis of current day systems
Proved statistical FP uniqueness
Name and explain 2 types of filters - Answer -Barrier filters block one wavelength of
light, making that colour lighter
Bypass filters allow only a small range of wavelengths of light and blocking the others
_____________ ________________ is the length of time film/chip is exposed to light,
measured as ________________ - Answer -Shutter Speed
Fraction of a second by factors of 1/2 (1/2, 1/4, 1/8)
What 2 things does forensic investigation require? - Answer -1. Development of
principles/techniques to identify/compare physical evidence
2. Compare principles in a manner that can be practically applied to criminal justice
Name 3 examples of trace evidence carriers - Answer -- Clothing
- Vacuum Sweepings
- Fingernail Scrapings
In the USA, under what 4 cases is search and seizure w/o a warrant justified? - Answer
-- Emergency
- Need to prevent loss/destruction of evidence
- Consented by parties involved
- When in contingence with a lawful arrest
How could evidence be altered during handling and processing? - Answer --
Contamination
- Breakage
- Evaporation
- Accidental scratching or bending
- Improper or careless packaging
What does section 8 of the Charter protect us from? - Answer -Unreasonable search
and seizure
State at least 5 types of physical evidence - Answer -Biological fluids, documents,
drugs, explosives, fibers, FPs, weaponry, ammo, paint, etc.
What is chain of custody? What does it include and why is it so important? - Answer -A
list of all persons who came into possession of an item of evidence
Location at all times and every person who handled it
Allows evidence to be established as an exhibit
What is a standard/reference sample and why is it important? - Answer -Physical
evidence whose origin is known
Many pieces of evidence needs comparison to be corroborated
What was Valentin Ross's 1806 contribution? - Answer -Precise method of detecting
small amounts of arsenic in a victim's stomach
Who is the father of forensic toxicology? - Answer -Mathieu Orfila
What conclusion regarding admissibility came from Daubert v. Merrell Dow
Pharmaceuticals? - Answer -General acceptance is not the absolute standard
How can contamination be prevented? - Answer -- Latex gloves/Nitrile Gloves
- Disposable forceps
- Sanitized equipment
, - Kept in OG condition
Each item must be placed in _____________ containers - Answer -Separate
To avoid contamination
What does a crime scene tool kit include? Name 5. - Answer -- Notebook with pens and
pencils
- Rulers
- Chalk/Crayons
- Scalpels/Razor blades
- Swabs/Sterile Cloth
- Evidence containers
- FP materials
- Vacuum and filters
What container would hair, glass, or fibre go in? What about most trace evidence? -
Answer -Hairs, glass, fibres go in unbreakable plastic pill bottles with pressure lids
Most trace evidence goes in manila envelopes, screw-cap glass vials, or cardboard
pillboxes. NO ORDINARY ENVELOPES
What is illumination and how is it measured/adjusted? - Answer -Light falling on an
object
Measured by light meters
Amount of light present, flash units, reflectors, filters, tripods, and angles for
direct/oblique lighting
Who wrote Finger Prints in 1892? What was it about? - Answer -Englishman Francis
Henry Galton
Outlined means of classifying and filing FPs and is the basis of current day systems
Proved statistical FP uniqueness
Name and explain 2 types of filters - Answer -Barrier filters block one wavelength of
light, making that colour lighter
Bypass filters allow only a small range of wavelengths of light and blocking the others
_____________ ________________ is the length of time film/chip is exposed to light,
measured as ________________ - Answer -Shutter Speed
Fraction of a second by factors of 1/2 (1/2, 1/4, 1/8)
What 2 things does forensic investigation require? - Answer -1. Development of
principles/techniques to identify/compare physical evidence
2. Compare principles in a manner that can be practically applied to criminal justice
