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
What is included on a crime scene sketch?
The location of the scene, The case number, An arrow and "N" indicating north.
What is an important tool used in both ballistics and trace evidence analysis?
A comparison microscope
What is hearsay?
Testimony based on what a witness has heard from another person rather than on direct personal knowledge or experience
Define organized crime
Criminal activities that are planned and controlled by powerful groups and carried out on a large scale
What are the characteristics of ridge patterns?
Minutiae
How should a crime scene technician package a bloody shirt?
In a paper bag
What is the density of a glass sample that has a mass of 20g and a volume of 10g?
2g
What is an autopsy?
A thorough exam of a body after death to help determine the cause of death the manner of death.
What causes a concentric fracture?
Direct impact
What chemical can be used to devlop fingerprints off of a piece of paper?
Ninhydrin
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 old is Miss.Patel?
24
What is a radial fracture?
Cracks in glass extending outwards
Identification of a victim through dental records is called what?
Odontology
The first job of the first responder is to?
Provide emergency care
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 is Miss.Patel's twin sister's job?
Nurse
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?
Arch, Loop and Whorl
What are the first 3 steps in a crime scene investigation?
1. Approach scene
2. Secure the scene
3. Create a plan and communicate next steps
What are the 4 main types of evidence?
Real, demonstrative, documentary and testimonial
What does DNA stand for? Name three biological sources of DNA
Deoxyribonucleic acid. Blood, Saliva, Tissues or other bodily fluids.