FBI Evidence Collection & Preservation 3

Question 1

What is the correct order of activities when processing a shooting scene for physical evidence?

Accepted Answer

Secure, document, photograph, collect

Answer

Scenes must be secured first, then thoroughly documented and photographed before any physical collection begins to preserve the original scene state.

Question 2

A spent cartridge casing found at a crime scene should be marked for identification:

Accepted Answer

On the exterior base with the agent's initials

Answer

Markings should be placed on the exterior base of the casing in a location that will not interfere with forensic examination of the primer or interior.

Question 3

When photographing bullet holes in glass, what specialized technique helps reveal the directionality of the shot?

Accepted Answer

Oblique lighting to highlight radial and concentric fractures

Answer

Oblique lighting reveals radial and concentric fracture patterns in glass; the cone shape and fracture stress marks indicate the direction of projectile travel.

Question 4

Which of the following items would NOT typically be used to establish a shooting scene perimeter?

Accepted Answer

Evidence placards numbered with the case number

Answer

Evidence placards are used to mark item locations within the perimeter, not to establish or define the perimeter itself.

Question 5

When swabbing a bullet wound on a deceased victim for gunshot residue, what area is most critical to sample?

Accepted Answer

The skin immediately surrounding the entry wound

Answer

The skin immediately surrounding the entry wound contains the highest concentration of GSR deposited during the discharge.

(FBI) Federal Bureau of Investigation Certified Marksman Practice Test

(FBI) Federal Bureau of Investigation Certified Marksman Practice Test

FBI Evidence Collection & Preservation 3