Fingerprinting+notes

Meghan Stallworth April 28, 2009 CSI Notes Fingerprint- the mark left by the ridges in your finger tips, every individual has a unique fingerprint. Loops whorls- looks like a bulls eye arches core- center of a loop or whorl delta- triangular region near loop ten card- card that collects all ten finger prints ridge patterns - minutiae 1) ending ridge 2) fork 3) island ridge 4) dot 5) bridge 6) spur 7) eye 8) double bifurcation 9) delta 10 )trifurcation patent fingerprints- visible finger prints plastic fingerprints- actual indentions left in sot material like clay, putty or wax Latent Fingerprints- hidden prints (use chemicals to find it) How to "bring out" fingerprints: 1) dust surface 2) tape is used to lift and preserve the fingerprint 3)tape is placed on an evidence card