Basics
The three fingerprint patterns...
Loop, Arch, Whorl
The most common fingerprint pattern is...
Loops
A point where a ridge stops is called...
Type of surface which is more soft and absorbant
Porous
A visible print is called...
Parts of the print that appear dark in an image...
Ridge
A pattern where ridges start on one side, rise up, and exit from the other side is...
Arch
A point where a single ridge splits into two...
Bifurcation
What methods will work on a non-porous surface?
Dusting and Superglue
Full name of the fingerprint database
Automated Fingerprint Identification System (AFIS)
A form used to collect fingerprints
10 card
What percentage of fingers in the database have a whorl?
30%
A ridge that starts and then stops soon after
Island ridge or short ridge
Scientific name for super glue
Cyanoacrylate
In the fingerprint lab, which methods were used for:
Latent print on glass
Latent print on foil
Latent print on paper
Dusting
Superglue
Iodine fumes
Fingerprints form during this week in the human fetus
10th week
This pattern starts on one side of the finger, circles around the core, and exits from the same side.
Loop
The FBI determined that no two individuals have more than how many common points?
8
This method works on porous surfaces by reacting with amino acids...
Ninhydrin
This fingerprint detection method works well in cars...
No two persons have identical ridge patterns
What are the two types of loops called?
Ulnar and Radial
Legal requirement for number of points of comparison in the US.
This method works on porous surfaces by reacting with salts. Can be used on very old prints.
Silver nitrate
What layer of skin will need to be damaged in order to permanently change a persons fingerprints?
Dermis