Forensics Unit 6 Notes

Police investigators

What are experts in collecting "dactylograms, "otherwise known as fingerprints? Answer with a single words or term.

Impressions

________ left by friction ridge skin on a surface, such as a tool handle, glass, door, etc.

Dactyloscopy

What is the study of fingerprint identification? Answer with a single words or term.

finger

What is assigned a number ONLY if it has a whorl on it based on the chart? Answer with a single words or term.

Ninhydrin

________ is a chemical that bonds with the amino acids in fingerprints and will produce a blue or purple color.

investigators

Some ________ use fluorescent powder and UV lights to help them find latent prints on multi- colored or dark surfaces.

Magnetic powder

________ can also be used to reveal latent prints and works on shiny surfaces or plastic bags or containers.

fingerprint impression

What is the mirror image of the fingerprint on your finger? Answer with a single words or term.

Camel hair

________ is the most common animal hair used to make fingerprint brushes.

Fingerprints

________ can be classified into three different groups based on the pattern of the ridges.

second letter

The ________ is I, O, or M based on the tracing.

fingerprint pattern

A(n) ________ will remain unchanged for the life of an individual; however, the print itself may change due to permanent scars and diseases.

Inner Tracing

________= I The tracing ends above the second delta.

Fingerprints

________ have general characteristic ridge patterns that allow them to be systematically identified.