Fingerprints: Development Methods

identify the term to describe the type of fingerprint with friction ridge impressions, not readily visible to the naked eye

latent

identify the term to describe the type of fingerprint with friction ridge impressions visible to the naked eye. Also known as visible prints

patent

identify the term to describe the type of fingerprint with friction ridge impression that is left on the surface of a soft material

Plastic

Why would you use oblique light and other manipulating light angles and wavelengths?

Locate and photograph fingerprints

Fingerprint powders are genuinely best for what kind of surface

Non-porous

Name the most conventional methods to develop prints

Fingerprint powders

What kind of surface works best for aluminum powder?

Non-porous

What kind of surfaces are compatible for magnetic powders?

Porous and non-porous surfaces

Name the chemical development that reacts with amino acids in the fingerprints that result in a color change known as Ruhemanns's purple.

ninhydrin

name the chemical development good on paper surfaces

ninhydrin

Name the chemical development that is used in combination with ninhydrin that fluoresces in visible filter light

DFO

Name the chemical development that makes use of a substance in superglue that releases into a gas when heated.

• It binds to amino acids fatty acids and proteins left in latent fingerprints

• creates a crust layer.

cyanoacrylate fuming

Name the chemical development that involve the sublimation of solid iodine to bind with the lipid contents of fingerprints

Iodine fuming

What kind of surfaces are beneficial to use with iodine fuming

porous

The iodine bind it to fingerprints will eventually - off the surface of the print left to its original state as before

sublime

Name the chemical development that makes use of a protein dye that stains the fatty portions in the latent in fingerprint

Crystal violet

What kind of surfaces would make crystal violet useful for development?

Sticky sides of tapes

Name the chemical development that reacts with heme based materials to enhance bloody fingerprints

leucocrystal violet