CORRECT & VERIFIED ANSWERS
True or false: Muzzle to target determinations are used to help establish how far away the shooter
was from the person or thing that was shot. Correct answer-True
True of false: IAI stands for International Association for Identification. Correct answer-True
True or false: Twist refers to whether the bullet has a right-hand or left-hand spin as the bullet leaves
the gun. Correct answer-True
GSR stands for ____ Correct answer-Gunshot residue
In addition to examining ammunition associated with a firearm, an examiner will also check for all
the following except ___ Correct answer-Elemental composition
A solution of acid and copper salts can be used to ___ Correct answer-Reveal a damaged serial
number on a gun.
True or false: The way read wears down on a shoe is the same no matter who wears it. Correct
answer-False
The fine horizontal scratches etched onto a bullet after it has been fired are called ___ Correct
answer-Striations
The three major elemental components of gunshot residue are Correct answer-Lead, barium,
antimony
IBIS and NIBIN are Correct answer-Databases for firearms and ammunition
How many keys are on a court reporter's typewriter? Correct answer-22
Nonsense methods and conclusions disguised as legitimate research is the definition of Correct
answer-Junk Science
The obligation of courtroom audiences include all of the following except: Correct answer-They can
provide assistance to the jury if the judge allows it.
What is "dry-labbing" Correct answer-When a scientist writes down evidence examination results
without performing the test.
True or false: Judge Judy and other small claims courts are criminal courts, not civil courts. Correct
answer-False
In a criminal trial, the judge or a jury are the ___ Correct answer-Trier of fact
True or false: A criminalist's job is to make sure that defendants are found guilty and sent to jail.
Correct answer-False
True or false: An expert witness must have at least a Master's degree in the subject area they are
testifying about. Correct answer-False