Fingerprints as Evidence (Development)

Which of the following is NOT an example of a plastic print?

• Left in gum

• Left in wax

• Left on a mirror

• Left in a soap bar

Which of the following is a common method for leaving a patent print?

• Using a laser

• Using ink

• Using a magnet

• Using a brush

What does the term "latent" mean in the context of latent prints?

• Visible

• Unseen

• Permanent

• Temporary

Which of the following is not a material component of a latent print?

• Salts

• Proteins

• Lipids

• Carbohydrates

What is the purpose of using powder in powder dusting?

• To stick to water residues

• To stick to fat residues in print

• To clean the surface

• To remove fingerprints

What type of brush is used in magnetic powder dusting?

• Bristle brush

• Non-bristle brush

• Foam brush

• Metal brush

Which physical development method is best used on wet materials?

• Traditional dusting powder

• Magnetic dusting powder

• Small particle reagent

• Physical developer

Which chemical development method is best used on wet materials?

• Traditional dusting powder

• Cyanoacrylate (superglue fuming)

• Small particle reagent

• Physical developer

Which chemical development method is best on nonporous surfaces like glass, metal, and plastic?

• Silver nitrate

• Iodine fuming

• Ninhydrin

• Cyanoacrylate (superglue fuming)

• Physical developer

The following physical and chemical development methods rely on the fats in latent prints to work.

• Powder and magnetic powder (physical dev.)

• Iodine fuming (chemical dev.)

• Physical developer (chemical dev.)

• Small particle reagent (physical dev.)

• All of these rely on fats in fingerprint residue to work