Identifying Fingerprints

Front

What is the definition of a fingerprint?

Back

A fingerprint is an impression or mark made by the pattern of ridges and valleys on the surface of a fingertip.

Front

What are the three main types of fingerprint patterns?

Back

The three main types of fingerprint patterns are loops, whorls, and arches.

Front

What is a loop fingerprint pattern?

Back

A loop fingerprint pattern is characterized by ridges that enter from one side, loop around, and exit from the same side.

Front

What is a whorl fingerprint pattern?

Back

A whorl fingerprint pattern consists of circular or spiral ridges that form a complete circuit.

Front

What is an arch fingerprint pattern?

Back

An arch fingerprint pattern has ridges that rise in the center and fall off on both sides, resembling an arch.

Front

How can fingerprints be used as evidence?

Back

Fingerprints can be used as individual evidence to identify a person, as no two individuals have the same fingerprint.

Front

What is the significance of the ulnar loop?

Back

The ulnar loop is a type of loop fingerprint pattern that opens towards the little finger (ulnar side) of the hand.

Front

What is the significance of the radial loop?

Back

The radial loop is a type of loop fingerprint pattern that opens towards the thumb (radial side) of the hand.

Front

What does it mean for a fingerprint to be considered individual evidence?

Back

It means that a fingerprint can uniquely identify an individual, as each person's fingerprints are unique.

Front

What is the difference between a plain whorl and a central pocket whorl?

Back

A plain whorl has two or more deltas and a central pocket whorl has a circular ridge that surrounds a core.