PRINT PATTERNS
This type of fingerprint pattern doubles back on itself, and has only one delta.
Loop
At a crime scene, this is the type of print that CANNOT be seen and has to be developed somehow
Latent print
tiny details in a print- ridge details
minutiae
white
If you have no whorls, what is your Henry number?
1/1
This type of fingerprint pattern usually looks like a circle, and has TWO deltas.
Whorl
At a crime scene, this is the type of fingerprint that is made when pressed into a soft substance such as clay, wax, or putty.
Plastic print
How many minutiae the FBI say is a match
12
This chemical reacts with amino acids and turns a print purple in about 24 hours
Ninhydrin
TRUE or FALSE: Identical twins have the same fingerprints.
False
This is the most common type of fingerprint pattern.
Loop
This is what crime scene investigators would use to lift a latent print at the scene to a surface that can be transported to the lab for analysis.
tape
Which is more common- bifurcation or trifurcation
bifurcation
What type of powder will we use in lab to lift prints
magnetic
Are fingerprints a type of CLASS evidence or INDIVIDUAL evidence?
Individual
This is the least common type of fingerprint pattern.
Arch
This is what AFIS stands for.
AUTOMATED FINGERPRINT IDENTIFICATION SYSTEM
These two minutiae are used to identify if a print is an arch, loop, or whorl
What color does Iodine fuming turn a print
Brown
Who was falsely accused of the Madrid Bombings based on fingerprint analysis
Brandon Mayfield
This pattern type is used when calculating the Henry number
Whorl
A print made with blood, ink, mud, etc
Patent or visible print
How many minutiae can be found in a full fingerprint
150
What is a unique fact about superglue fuming a print
It makes the print permanent
What are the 3 principles of fingerprints
They are all different, stay the same your whole life, and they can be systematically classified