Fingerprinting Techniques

The least common type of fingerprints are

• whorls

• arches

• loops

Identify the fingerprint pattern as shown.

• whorl
• loop
• arch

Identify the fingerprint

• Arch
• Loop 
• Whorl
• Swirl

Identify this fingerprint

• Arch
• Loop
• Whorl
• Swirl

Under which circumstances have two people been found to have identical fingerprints? 

• identical twins
• fraternal twins
• members of the same immediate family
• none to date

Fingerprints remain the same over time.

• true
• false

What type of print is not visible but made so by dusting with powders or the use of chemicals?

• Patent
• Latent
• Plastic

How did John Dillinger try to alter his fingerprint?

• Surgically
• Chemically
• Fire
• Cutting fingertips off

Which fingerprint type is used to calculate the primary grouping ratio using the Henry Classification system?

• arch
• whorl
• loop
• none of these

Given the following:

An individual has a fingerprint record with a LWAALALWLA pattern series. What is the primary grouping ratio of the individual?

• 10/1

• 1/10

• 19/1

• 28/1