Fingerprints

Front

What type of fingerprint is left in putty?

Back

Plastic fingerprint: A fingerprint that is left in a soft material, such as putty, that retains the shape of the ridges.

Front

What are ridge characteristics?

Back

Ridge characteristics are unique patterns found in fingerprints, footprints, and palm prints that can be used for identification.

Front

How many ridge characteristics are needed for a positive comparison of a latent print?

Back

At least 8 to 12 ridge characteristics are needed for a positive comparison.

Front

What is the FBI’s database for storing fingerprints called?

Back

IAFIS (Integrated Automated Fingerprint Identification System): A national database for storing and comparing fingerprints.

Front

How long can a fingerprint left at a crime scene last?

Back

A fingerprint may last for years, depending on the surface and environmental conditions.

Front

What are the three main types of fingerprints?

Back

Latent, plastic, and visible fingerprints.

Front

What is a latent fingerprint?

Back

A latent fingerprint is an invisible print left on a surface that requires development to be seen.

Front

What is a visible fingerprint?

Back

A visible fingerprint is one that can be seen without any enhancement, often left in substances like ink or blood.

Front

What is the difference between plastic and latent fingerprints?

Back

Plastic fingerprints are three-dimensional impressions left in soft materials, while latent fingerprints are invisible and require development.

Front

What role do fingerprints play in forensic science?

Back

Fingerprints are used for identification and comparison in criminal investigations.