Fingerprint Evidence
Impression Evidence
Ballistic Evidence
Arson
Random Forensics
100
True/False: Fingerprints can be classified as class characteristics
False!
Fingerprints are unique and are therefore individual evidence with individual characteristics.
100
What type of evidence are bite marks considered?
ie. Individual or Class
Individual Evidence
100
A weapon mostly used to fire buckshot or slugs with no rifling pattern is a
shotgun
100
What 3 things must be present for a fire to occur
Fuel, oxygen and Heat
100
Describe an efficient technique in which detectives can lift invisible fingerprints at a crime scene?
Using powder dusting on the surface
200
What is the fingerprint Class?
Loop
200
What are the three types of impressions?
Patent, latent, plastic
200
This pattern found in the barrel of some guns, known by numbers and twist which allows for a straighter shot is called
Rifling
200
An ex-husband sets his former house on fire because he is upset his ex-wife got the house in the divorce. What is this motive for arson?
Revenge or Spite
200
How are impression evidence collected?
Pictures & Casts/ Molds
300
What is the fingerprint class?
Whorl
Specifically- Double loop whorl
300
What type of information about an individual can be obtained from a shoeprint at the crime scene?
Walking Pattern, Wear and tear etc
300
How does a ballistic expert analyze evidence to reconstruct a shooting incident?
Internal Ballistics-
By identifying the type of firearm used through analysis of bullet casings and markings on the bullets.
By determining the caliber of the bullet based on the size and markings on recovered projectiles.
External Ballistics
By analyzing the trajectory of bullets and bullet impacts to determine the shooter's position
300
Define Arson
INTENTIONAL setting of a fire
300
Fingerprint
State the 3 fingerprint principles?
No two fingerprints are the same
Fingerprints remain unchanged
Fingerprints have ridges
400
The teacher will highlight a characteristic on the print below. What is it?
Enclosure or Eye
400
Made when surfaces slide across one another
abrasion marks
400
The ballistics network database used to identify firearms is
IBIS Or
NIBIN
400
What is an obvious sign that the fire was arson?
Multiple points of origin
Accelerant presence (smell or visible)
Things were removed or protected from the fire
400
What can the depth of a footprint tell you about a person?
Persons Weight can be estimated
500
What is the primary difference between latent and patent fingerprints?
Latent fingerprints are found on objects, while patent fingerprints are found on the finger itself.
500
A device used to analyze side-by-side specimens for comparison purposes is called?
Comparison Microscope
500
What can GSR stippling tell us about the distance a person was shot from?
A person shot up close will have more stippling than one shot from far away
500
What are 5 of the 6 common fire patterns WE COVER IN THIS CLASS?
Classic V
Inverted Cone
Protected Area Burn
Clean Burn
Run down burn
Ignitable Liquid Pour Pattern
500
What can yaw marks tell you?
The car turned faster than it could handle