Practice Test Geeks(FBI) Federal Bureau of Investigation Certified Marksman Practice Test
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Evidence Collection & Preservation Flashcards

7 cards from real FBI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Evidence Collection & Preservation flashcards as text

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

    Answer: Secure, document, photograph, collect

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

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

    Answer: On the exterior base with the agent's initials

    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.

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

    Answer: Oblique lighting to highlight radial and concentric fractures

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

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

    Answer: Evidence placards numbered with the case number

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

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

    Answer: The skin immediately surrounding the entry wound

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

  6. What is 'stippling' and what is its evidentiary value at a shooting scene?

    Answer: Gunpowder tattooing on skin; indicates the muzzle was within approximately 18–24 inches

    Stippling (powder tattooing) is unburned powder granules embedded in skin, indicating the muzzle was within approximately 18–24 inches of the target.

  7. Which federal regulation governs the handling and transfer of DNA evidence between federal agencies and laboratories?

    Answer: CODIS (Combined DNA Index System) procedural guidelines

    CODIS guidelines govern DNA evidence collection, handling, and inter-agency transfer standards to ensure sample integrity and database compatibility.