CFC CFC Firearms, Ballistics & Tool Mark Examination 2

Question 1

In a shooting incident reconstruction, 'trajectory analysis' is used to determine:

Accepted Answer

The path the bullet traveled and the relative position of shooter and victim

Answer

The chemical composition of the bullet

Answer

Whether the firearm was legally registered

Answer

The caliber of the weapon used

Question 2

Which characteristic of a bullet wound indicates that it is an exit wound rather than an entry wound?

Accepted Answer

Larger, irregular, and stellate margin without an abrasion collar

Answer

Circular, punched-out margin with abrasion ring

Answer

Presence of soot and stippling around the wound

Answer

Small round defect with inverted edges

Question 3

Which type of evidence is a 'fired projectile' classified as in forensic ballistics?

Accepted Answer

Individualized physical evidence

Answer

Class evidence only

Answer

Pattern evidence

Answer

Trace evidence only

Question 4

Serial number restoration on a firearm from which the serial number has been ground off uses which forensic technique?

Accepted Answer

Chemical etching or magnetic particle inspection exploiting subsurface metal stress

Answer

Infrared spectroscopy

Answer

X-ray diffraction

Answer

Ultraviolet fluorescence only

Question 5

The National Integrated Ballistic Information Network (NIBIN) is a database that allows law enforcement to link crimes by comparing:

Accepted Answer

Digital images of fired cartridge case marks

Answer

DNA profiles from gun handles

Answer

Fingerprints on ammunition

Answer

Ballistic trajectory calculations

Question 6

A forensic consultant is asked to determine the distance from which a shot was fired. The primary evidence used is:

Accepted Answer

The pattern and density of soot, stippling, and powder residue around the entry wound

Answer

The caliber of the recovered bullet

Answer

The victim's toxicology report

Answer

The type of firearm recovered