BSFS Crime Scene Investigation and Evidence Collection 3

Question 1

In forensic science, 'class characteristics' of evidence are features that:

Accepted Answer

Narrow the source of evidence to a group but cannot identify a single unique source

Answer

Uniquely identify a specific individual or object

Answer

Are only found on biological evidence

Answer

Can only be observed with a microscope

Question 2

The method of documenting a crime scene using a sketch with measurements and compass orientation is called:

Accepted Answer

Rough sketch followed by a finished scale diagram

Answer

Baseline mapping

Answer

Triangulation only

Answer

Photogrammetry

Question 3

Superglue (cyanoacrylate) fuming is used to develop latent fingerprints on:

Accepted Answer

Nonporous surfaces such as plastic, glass, and metal

Answer

Porous surfaces like paper and cardboard

Answer

Fabric and clothing

Answer

Wet or bloody surfaces only

Question 4

Which type of search pattern is best suited for a large outdoor crime scene with multiple investigators walking in parallel lines?

Accepted Answer

Strip/lane search

Answer

Spiral search

Answer

Zone search

Answer

Wheel search

Question 5

The term 'trace evidence' refers to:

Accepted Answer

Small or microscopic materials transferred during contact, such as fibers, hair, and glass fragments

Answer

Electronic records left by a suspect's digital devices

Answer

Witness statements collected at the scene

Answer

Any evidence smaller than 1 centimeter in size only

Question 6

When collecting a firearms evidence item at a crime scene, an investigator should:

Accepted Answer

Render the firearm safe and document its position before moving it

Answer

Immediately unload it without photographing its position

Answer

Place it in a paper bag without checking for safety

Answer

Swab the barrel before packaging to preserve residue