To Prevent the Disturbance of Latent Fingerprints on a Firearm

question 22

Multiple Choice

To prevent the disturbance of latent fingerprints on a firearm, the weapon should be lifted by:

• A)Inserting a pencil into the barrel
• B)Using disposable forceps
• C)The outside of the barrel or the trigger
• D)The edge of the trigger guard or by the checkered portion of the grip

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Definitions:

Binocular Cues

Depth cues that depend on the combination of the images in the left and right eyes and on the way the two eyes work together.

Gestalt Principle

A theory that proposes humans naturally perceive objects as organized patterns and wholes, rather than as separate components.

Principle Of Closure

A Gestalt psychology principle suggesting that individuals perceive objects as whole, even when they are incomplete because our minds fill in missing details.

Perceptual Constancy

The recognition that objects are constant and unchanging even though sensory input about them is changing.