Crime Scenes
What are two things investigators look for at a crime scene?
Fingerprints and footprints.
Why are fingerprints important to solving a crime scene?
Everyone's fingerprints are different, so then detectives can identify who did it.
Why are footprints helpful in solving a crime scene?
They may lead to clues or the criminal.
What does CSI stand for?Crime Scene Investigation.
Crime Scene Investigation.
What does toxicology stand for?
Study of poisons
Why is DNA important at a crime scene? It can identify the victim.
It can identify the victim.
What are the four types of fingerprints?
Arch, Tented Arch, Whorl and Loop.
What are the two types of characteristics for footprints?
Class Characteristics and Accidental Characteristics.
What is a victim?
Someone who has been murdered.
What are two ways a murderer could kill a victim?
Ex: Guns and Poison
Why do toxicologists examine drinks found at a crime scene?
They might have poisons or drugs in them.
Why are fingerprints left behind when you touch something?
The oils in your fingers leave behind an imprint of your finger that touched the object.
What is a Class Characteristic?
It can be a design or emblem on the bottom of a shoe.
What is the rule of thumb in trial?
Innocent until proven guilty.
How can drugs kill a victim?
Ex: It might make the victim crash in a car accident.
Which body parts contain DNA?
Blood, spit, skin, etc.
What is the most common type of fingerprint?
Loop. 65% of people have at least 1 loop fingerprint.
What is an Accidental Characteristic?
It can be a worn off area on the footprint.
What is a criminalogist?
Someone who studies criminals and criminalities.
What are the two types of bullets?
Left Twist and Right Twist Bullets
Why are identical twins hard to figure out who committed the crime? Identical twins have identical DNA.
Identical twins have identical DNA.
What is the rarest type of fingerprints?
Arch or Tented Arch. Only 5% of people have at least 1 Arch or Tented Arch fingerprint.
If a shoe has a brand name on it, what kind of characteristic would it be? Class characteristic
Class characteristic
What does DNA stand for?
Deoxyribonucleic Acid
What are Ghost guns?
Guns that have no Identifications on them