5 Questions
What type of impressions are left by the friction ridges of a human finger?
Fingerprints
What results in fingerprints on surfaces such as glass or metal?
Moisture and grease on a finger
What do fingerprint records normally contain impressions from?
The pad on the last joint of fingers and thumbs
What makes human fingerprints suitable as long-term markers of human identity?
They are detailed, nearly unique, and durable
What has been challenged by academics, judges, and the media regarding the use of fingerprint evidence?
The error rate in matching fingerprints
Study Notes
Fingerprints
- Fingerprints are left by the friction ridges of a human finger, which make contact with a surface.
Formation of Fingerprints
- Fingerprints on surfaces such as glass or metal result from the transfer of sweat and oils from the ridges on an individual's fingertips.
Fingerprint Records
- Fingerprint records typically contain impressions from the thumbs, index fingers, and middle fingers.
Uniqueness of Human Fingerprints
- The unique patterns of ridges and valleys on an individual's fingertips make human fingerprints suitable as long-term markers of human identity.
Challenges to Fingerprint Evidence
- The reliability and uniqueness of fingerprint evidence have been challenged by academics, judges, and the media.
Test your knowledge of forensic science and fingerprint analysis with this quiz. Learn about the unique patterns and characteristics of fingerprints and their significance in criminal investigations.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
