Forensics
What is forensic science?
Using scientific methods and techniques to solve crimes
This is the portion of the casing that ignites the gunpowder
What is the primer?
What are the 3 kinds of fingerprints?
Loop, Whorl, Arch
What do fire investigators do?
Study fires to find the cause
____ can prevent contamination of suspect/evidence collection.
Gloves
Person who may have committed crime
The suspect
This type of firearm includes rifles and shotguns
What is a long gun?
What is an example of a test you can do to test for the presence of blood at a crime scene?
The Luminol test
What is charring?
After fire has consumed the material (object) it is charred.
Is eyewitness testimony reliable?
NO
What does a field scientist do?
Collect evidence/present at the actual scene
The spiral patterns of lands and grooves is a definition of this word.
What is rifling?
What kind of impact would create a high-velocity blood spatter?
Gunshot
What are 2 examples of an accelerant that might be used in arson
Gasoline, Alcohol,
Bonus
Add 300 to your score
What type of evidence is blood?
Physical, DNA evidence
These are the tiny particles expelled from a firearm when it is fired
What is gunshot residue?
What surfaces are best to collect finger prints with the powder method (must name 3)
smooth, flat, glass, plastic, hard, wood, leather
What does a V pattern show
Point where the fire started
What is rigor mortis?
Stiffness of the body in the first 24 hours after death
Name a search technique that can be used to search a crime scene?
Spiral, Zone, Grid
Two major forces act on the bullet when it is fired. One is the forward force of the bullet and the other is this.
What is gravity?
What kind of antibodies would normally be present in a person who has type A blood?
They have type B antibodies
What are the most common reasons that a person would commit arson?
- Insurance fraud
- Crime concealment
- Pyromania
- Revenge
How is entomology used in forensic science?
Studying insect behaviour can give the time of death.