Print that has been adulterated with foreign matter

Occurs when the entire pattern of whorls on the finger containing a small amount of grease, oil, perspiration, or dirt is transferred to the object when touched.

Usually found on blood, flour, ink, or oil

Usually found on painted surfaces, wax, grease, tar, or putty

Usually found on paper and smooth surfaces

also called a patent fingerprint

also known as dust print

Prints may be collected by revealing them with a dusting of ___powder on a light background or ____ powder on a dark background and then lifted with a piece of ___ tape

What is the most common type of brushes used to develop fingerprints with powder

uses a 10 print system for comparing fingerprints

admissibility of fingerprint evidence can be traced to this case

the scientific study of fingerprints as a means of identification

Fumes adhere to friction ridges and harden as ridge details is built up 

     on the prints.

Expanded laser beam is used to luminesce certain properties of 

      perspiration, body oils, or other foreign substances found on a latent 

      print

Reaction of sodium chloride present in perspiration.

Lightly brush powder on the fingerprint so it will adhere to the oils on 

      the surface of the print powder

Use of iodine fumes that attacks the object and changes color generally

Acid staining diazo dye used in biochemical research to stain for total protein on transferred membrane

used in criminal investigations to detect blood present with latent fingerprints by staining proteins in blood a blue-black color

generally used on paper and wood to develop fingerprints

prints developed from paper that has been stored under dry conditions; some prints have been developed 30-40 years later

developed prints must be photographed immediately due to the entire paper will darken

particularly valuable in developing prints on plastic bags, metal foil, waxed paper, lacquered woods, leather, almost all hard surfaces including fruits, vegetables, and dinner rolls

Able to develop fingerprints when other methods can't

fingerprint patterns are divided as follows:

fingerprint patterns are divided as follows: