Page 9 - Read The Found Prints Fingerprint Analysys

Pre-Lab

Solutions

1. What are the three basic categories used for 5. What is the most commonly found fingerprint
fingerprint analysis? at a crime scene?
Loop, arch, whorl Latent

2. Describe the pattern of one of the three basic 6 How do forensic technicians analyze an
categories. incomplete print lifted from a crime scene?
Answers will include definitions for loop, arch, or Computer software creates a digital image. The
whorl. print can be enhanced by removing the background
and clarifying the details within the print.

3. What is minutiae? What are some examples
of minutiae? 7. Name one popular classification system.
Characteristics of the ridges. Examples: ridge Roscher system, Juan Vucetich system, and the
ending, bifurcation, delta, lake, short ridge, Henry classification system.
crossover.

8. What is AFIS?
4. What is a known print? The Automated Fingerprint Identification
A print that is collected from the subject, usually System. It automatically searches electronically
by an ink impression or scanning. stored fingerprints and generates a hit list once
a fingerprint is scanned.

THE MYSTERY OF LYLE AND LOUISE 9