WorksheetsFingerprint Analysis and Identification Systems
Total questions: 10
Worksheet time: 25mins
Which of the following substances can be used to develop latent fingerprints on non-porous surfaces?
Iodine fumes
Silver nitrate
Ninhydrin
Cyanoacrylate fuming
What does AFIS stand for?
Automated Fingerprint Identification System
Automatic Fingerprinting Information Service
Advanced Fingerprint Information System
Automated Forensic Identification Services
How does AFIS primarily match fingerprints?
By comparing the overall pattern of the fingerprint
By analyzing the minutiae points within the fingerprint patterns
By matching the color of the fingerprint residue
By the size and shape of the finger
What is a major challenge in lifting fingerprints from a crime scene?
The fingerprints may be smudged or incomplete
The fingerprints can be too large
The fingerprints are always visible
The fingerprints can only be found on metallic surfaces
What is the purpose of using a lifting tape in fingerprint collection?
To protect the print before it is developed
To enhance the visibility of the print
To transfer the developed print onto a clear surface for analysis
To measure the size of the print
In the context of AFIS, what is a 'hit'?
An error in the system
A successful match between a crime scene print and one in the database
A rejected fingerprint submission
A request for a manual review of fingerprints
What is the main reason for using black fingerprint powder?
It sticks to latent oils and residues better than other colors
It provides the best contrast on light-colored surfaces
It is the only color that can be photographed accurately
It is less expensive than other colors
Why might fingerprints not be found at a crime scene even if the perpetrator touched surfaces?
The perpetrator wore gloves
The surfaces were too rough for a print to be left
The perpetrator had no fingers
Both A and B are possible reasons
What is the primary purpose of using a fingerprint brush at a crime scene?
To dust for fingerprints
To clean the crime scene
To collect DNA samples
To paint over evidence
What is the role of a fingerprint examiner in a crime investigation?
To dust for fingerprints at the crime scene
To analyze and compare fingerprints found at the crime scene with those in the database
To clean the crime scene
To interview suspects
