Definitions
Define Forensics
The application of science to law
Invisible fingerprints that appear on a piece of paper or check are known as?
Latent prints
Which company deals with firearms at the crime scene?
ATF
What is an important tool used in both ballistics and trace evidence analysis?
A comparison microscope
When a high speed projectile breaks glass, what is the difference between the entrance and exit holes?
Exit hole is larger than entrance hole in a high speed projectile.
What are Miranda rights?
Whenever a person is taken into police custody they are informed of their right to remain silent
What chemical can be used to develop fingerprints off of a piece of paper?
Ninhydrin
The first to arrive at a crime scene are usually who?
Police officer
An airtight unbreakable containers such as a plastic jar
How can scientists tell the difference between a male and female skeleton?
The pelvis of the female is wider, males have sharper edges to the tibia and ulna, eye sockets for females are rounder
What is the Medulla?
central core of a hair fiber
Identification of a victim through dental records is called what?
Odontology
When a crime scene technician arrives at the scene, he/she photographs the victim and observes stiffening of the muscles in the victim's body. This type of change is called?
Rigor Mortis
What piece of evidence could an investigator use to determine most precisely who the suspect of a crime is if two identical twins are in question?
Fingerprint
How can a scientist tell if a hair has been forcibly removed?
The root attached to the hair shaft will probably be broken or damaged.
Another name for a red blood cell?
Erythrocytes
Bifurications are found on what?
Fingerprints
When blood falls at a 90 degree angle, what shape does it maintain?
Blood falls in a round shape
Which type of crime is LEAST likely to be solved with the use of fiber evidence? A. Breaking and entering B. Hit-and-run C. Bombing
C. Bombing
What possible genotypes will the offspring have if the parents' blood types are O and AB?
AO or BO
When detectives explain that contact with another person, place, or object results in an exchange of physical materials, what principal are they describing?
Locard's principal
The three main types of fingerprints are?
Loop, whorl, arch
The first job of the first responder is to?
Provide emergency care
What is the difference between individual and class evidence?
Individual- Material that is used to make a direct id of a person Class- Material that is used to connect an object or person to a group
What does DNA stand for? Name three biological sources of DNA
Deoxyribonucleic acid. Blood, Saliva, Tissues or other bodily fluids.