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{1} What are the 3 main fingerprinting patterns? {2} What are the most common? {3} Least common? - {1} Whorls, Arches + Loops {2} Loops {3} Arches What is AFIS? - Automated Fingerprint Identification Sysytem A print found at a crime scene is called what? - Latent Points on a fingerprint where ridge characteristics change are called? - Minutiae Approx. how many fingerprints are in the FBI master database of fingerprints? - 450 million Dactylogram is... - Another name for fingerprint What type of animal hair is often used to make fingerprint brushes? - Camel How many minutiae points must be in common in order for prints to be considered matches? - No specific # Fingerprints are formed when? - During 10th week of pregnancy The use of fingerprints in identification is not perfect because of... - Human error A small triangular region is one characteristic found in a fingerprint, this triangulation is called... - DeltaSilver nitrate is a method of seeing fingerprints on... - Wood + Styrofoam