History
Do fingerprints change over time
No
What are the raised parts of a fingerprint called?
ridges
What type of fingerprint has two deltas?
Whorls
What is the process called when first looking for prints?
Dusting
How long do prints last in water?
3 months
When was fingerprinting first used by police in the USA and England?
What are the triangles some fingerprints have called?
Deltas
What type of fingerprints have 1 delta?
Loops
What do you put the print on after you lift it with tape?
Lift card
How long do prints last in hot conditions?
5 days
What system consisted of identifying a person by their specific measurements?
Bertillon system.
What are the depressions in your fingerprints called?
Valleys
What type of fingerprints have no deltas?
arches
What reacts with proteins in blood to find prints?
Amido Black
What is the average number of minutiae points needed to call it a match?
20
Who was known as the "father of fingerprinting"?
Francis Galton
When do you start to develop your fingerprints?
12 weeks after conception
What type of loop opens towards your pinky finger?
Ulnar
What reacts with the oils to find a fingerprint?
Cyanoacrylate (super glue)
What layer of skin do you need to cut through to permanently change your prints?
epidermis
What countries have been using fingerprints for thousands of years?
China, India, and Egypt.
What is it called when a print's ridge lines come from one side and go out the other. In the middle, they rise to a point
Tented arch
What type of loops open towards your thumb?
Radial
What reacts with amino acids in sweat to find prints?
Ninhydrin
How long do prints last in cold conditions?
50 days