Fingerprint Characteristics & Techniques

A fingerprint is a(n) ________________________ characteristic.

No two people have been found with the ____________________ same fingerprint pattern.

• unchanged

• exact

• repeating

• changing

Impressions left by friction ridge skin on objects such as a door handle, window, or other objects are called _______________ prints.

___________________ is a chemical that bonds with amino acids in fingerprints and will produce a blue or purple color.

• super glue

• ninhydrin

• cyano acrylate

• acetic acid

What type of fingerprint is this?

• Loop

• Arch

• Whorl

What type of fingerprint is this?

• Loop

• Arch

• Whorl

What type of fingerprint is this?

• Loop

• Arch

• Whorl

Fingerprints are a result of oil and secretions that are transferred to a surface by the ridges of one’s finger.

• True

• False

Which type of fingerprint is difficult to find?

• Latent

• Visible

• Plastic

 _____________________ prints are made by fingers touching a surface after the ridges have been in contact with a colored material, such as blood, .  

• Latent
• Patent

• Plastic