Fingerprint Analysis and Identification

Which piece of evidence is most useful in identifying a criminal among identical twins?

• Blood type

• Fingerprints

• Eyewitness account

• DNA

What makes fingerprints a reliable method of personal identification?

• They are unique to each individual

• They can be easily erased

• They are easy to alter

• They are the same for identical twins

How far back have fingerprints been used for identification purposes?

• Since the 1800s

• Since the 1500s

• Since 1792 BC

• Since the 1900s

What might you notice about your fingerprints if you work with your hands a lot?

• They become less pronounced

• They change patterns

• They become more pronounced

• They disappear completely

What principle states that every contact leaves a trace?

• Low Card's Exchange Principle

• Newton's Third Law

• Law of Conservation

• Theory of Relativity

What are the natural secretions that form fingerprints primarily composed of?

• Sweat and oils

• Tears

• Blood

• Saliva

Which fingerprint pattern is the most common?

• Arches

• Loops

• Spirals

• Whorls

What is a 'core' in fingerprint terminology?

• The outer edge of a fingerprint

• A fingerprint with no ridges

• The center of a loop or whorl

• A type of arch pattern

What is a 'delta' in fingerprint analysis?

• A triangular region near a loop

• A spiral pattern

• A straight line

• A circular pattern

What is the purpose of a ridge count in fingerprint analysis?

• To distinguish one fingerprint from another

• To count the number of loops

• To identify the color of a fingerprint

• To measure the size of a fingerprint