The Scene
Evidence Types
Phys. Evidence
Phys. Evidence 2
Misc.
100
When approaching the scene of an accident or crime, this is of primary importance for first responders and investigators.
What is safety and/or securing the scene? (Will accept attempting not to contaminate the scene)
100
Firsthand, eyewitness or auditory observations of a crime.
What is direct evidence?
100

The portion of a hair that contains a pattern, helps determine whether it is a human or animal hair, and is compared the the lead in a pencil. 

What is the medulla?

100

To prevent the destruction of evidence by mold contamination, this must be done before packaging evidence that contains moisture. 

What is allow to air dry?

100

Your Right to Remain Silent.

What is your 5th Amendment right?

200
To move individuals to different locations following a crime for interview and/or interrogation by investigators.
What is separating witnesses?
200
Evidence that implies a fact, but does not actually prove it.
What is circumstantial or indirect evidence?
200
May be natural (cotton) or synthetic (nylon).
What is a fiber?
200

When a crime scene is not secured and people are allowed to enter and exit, this is the result. 

What is contamination of evidence?

200

The right against unreasonable searches and seizures. 

What is your 4th Amendment right?

300
Recognize, Document and Collect Evidence.
What are the objectives of crime scene investigation?
300
When a person comes in contact with an object or another person, a cross transfer of physical evidence can occur.
What is Locard's Principle of Exchange?
300

The faster it is traveling the smaller the droplets will appear. 

What is the relationship between velocity and blood spatter?

300
A record attached to the paper bindle or evidence packaging stating each individual or agency that handled the material.
What is a chain of custody form?
300

When a crime scene is altered by the perpetrator to appear as though another crime or accident took place and hide the facts of the case.

What is a staged crime scene?

400
A location separate from where the crime actually took place, where additional evidence may be collected.
What is the secondary scene?
400
How much time two objects are in contact with one another.
What is a factor that will increase how much trace evidence is transferred, according to Locard?
400

The folded paper to help collect powdered evidence.

What is a paper bindle?

400
Small drops of blood that break off from the parent spatter when the blood droplet hits a surface.
What is satellite spatter?
400

When a jury or the public places an unreasonable expectation on forensic scientists or labs based on dramatizations from television or movies.

What is the CSI Effect?

500
Spiral, grid, linear or quadrant searches.
What are proper pattern methods for searching the scene?
500
Fingerprints, footprints, weapons vs. Hair, Blood, Fungus
What are examples of physical versus biological evidence?
500

The main fingerprint ridge patterns.

What are Loop, Whorl, and Arch?

500

Fingerprint minutiae pattern that presents as one line splitting into two lines. 

What is bifurcation?

500

Nonprofit organization dedicated to reviewing the cases of convicted criminals to determine if evidence was improperly handled during trial, and works to use DNA evidence to free wrongly incarcerated people. 

What is the Innocence Project?

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