Forensics 101
Physical location where a crime has occurred.
What is a crime scene?
When evidence points to a specific person.
What is individual evidence?
This remains unchanged for an individual's lifetime.
What is their fingerprint pattern?
This type of evidence can be either impressions, scratches or a combination of both.
What are tool marks?
Hair is considered this type of evidence.
What is class evidence?
Definition of chromatography.
What is the separation of a mixture into its individual components?
Sprayed on an object, creating a chemical reaction if blood is present, resulting in a blue color.
What is Luminol?
DNA stands for this.
What is deoxyribonucleaic acid?
Statement where a suspect was at the time of the crime.
What is an alibi?
What are the two most likely types of evidence found at the scene of a hit and run car accident.
What are glass and paint transfer?
The 3 main fingerprint patterns.
What is impression evidence?
The outer layer of a strand of hair.
What is the cuticle?
Two or more substances mixed together.
What is a mixture?
Stains that are created from the force of gravity.
What are passive blood stains?
All of our DNA is located here.
What is in the nucleus of cells?
Witnesses' accounts of an incident.
What are eyewitness statements?
The number of human hairs plucked from a suspect for cross referencing.
What is 50 head hairs?
Prints that are invisible to the naked eye
What are latent prints?
Tire tracks are usually found here.
What are traffic accidents or escape routes of crime scenes?
This must be present for DNA to be extracted from a hair sample.
What is the root?
Two or more elements are chemically combined.
What is a compound?
The average adult has this volume of blood.
What is 5 liters?
Each person's DNA is this from all others, except identical twins.
What is unique?
Evidence that is found at a crime scene in small, but measurable amounts.
What is trace evidence?
More fiber evidence at a crime scene could indicate this.
What is there was more of a struggle/contact?
This is done to prevent contamination.
What is packaging all materials separately and wearing personal protective equipment?
Sometimes DNA can be found on this type of impression evidence.
What are bite marks?
Wool, cashmere, silk and cotton are examples of this.
What is natural fibers?
What is a solution?
Can be analyzed for blood type and possible DNA.
What are blood samples?
DNA contains this.
What is genetic material?
Secondary person associated with a crime.
What is an accomplice?
Principle that states when 2 items come into contact, there will be exchange.
What is Locard's Principle of Exchange?
AFIS stands for this.
What is the Automated Fingerprint Identification System?
This type of impression evidence can be used to identify suspects or victims or exclude others.
What are bite marks?
Woven fabric has this many types of possible weave patterns.
What is 3?
This is known as the universal solvent.
What is water?
Can be analyzed to determine patterns that can give investigators clues to how the crime happened.
What is blood spatter?
CODIS is an acronym for this.
What is Combined DNA Index System?