PPT-Common Characteristics of Fingerprints

Quick Quiz Can you tell if they match wwwnewscientistcomgallerymg20527522600guessthefingerprints Fingerprints and also toe prints can be used to identify a single individual because they are unique to each person and they do not change over time . September . 9. , . 2014. What are Fingerprints?. Does . everyone. have a unique fingerprint? . . How, why, and when do fingerprints develop?. Watch this!. What are Fingerprints?. Does . everyone. have a unique fingerprint? . WHORL PATTERN. FINGERPRINT. FINGERPRINT patterns. GALTON DETAILS. Galton Characteristics. . SHORT RIDGE/. ISLAND . DOT . FORK/. BIFURCATION ENDING RIDGE. . . Three fundamental principals of Fingerprints. Individual characteristic. Will remain unchanged during the individual’s lifetime. Have general characteristic ridge patterns that permit systematic classification. “Fingerprints can not lie, . but liars can make fingerprints.”. —. Unknown. RECORDING PRINTS. rolling . inked prints. primary identification number. LIFTING PRINTS. Black. , white and fluorescent powder. The Criminal Investigation. Expectations. By the end of this lesson students will be able to:. 1. Explain pre-trial procedures, including processing evidence (fingerprints). 2. Explain . the processes of police . What you Need to Know . (but may already know). History. Sir Edward Henry (of London Metropolitan Police) developed modern system of identifying criminals by their fingerprints in . 1900 . The Henry system (as it is sometimes known) was so useful in criminal investigations that it was adopted around the world. History of Fingerprints. 1788 - Johann Mayer . noted that the arrangement of skin ridges is never duplicated in two persons. He was probably the first scientist to recognize this fact. . 1880 – Henry Fauld. . Crime Scene:. . The place or site where the crime took place.. Arriving at the Crime Scene. When officers arrive at the crime scene, they have three tasks to perform:. 1. Assist injured people and call an ambulance, if necessary. . The place or site where the crime took place.. Arriving at the Crime Scene. When officers arrive at the crime scene, they have three tasks to perform:. . Assist injured people and call an ambulance, if necessary. Ridgeology. : The study of the uniqueness of friction . ridge. structures and their use for personal . identification. .. 1.  . . The koala is one of the few mammals (other than primates) that has fingerprints. In fact, koala fingerprints are remarkably similar to human fingerprints; even with an electron microscope, it can be quite difficult to distinguish between the two.. a. Identify and utilize appropriate techniques used to lift and evaluate readable, latent, plastic and visible fingerprints. . SFS2. Students will use various scientific techniques to analyze physical and trace evidence. . 2 Types of Crime-Scene Prints. 1. Visible Print- A fingerprint made when the finger deposits a visible material such as ink, dirt, or blood onto a surface.. 2. Plastic Print- A fingerprint impression in a soft surface.. Mrs. Svedstrup. 1. Chapter 7. Fingerprints: Major Form of ID. Major goal of criminal and civil investigation process is to identify people. Fingerprinting is widely used: All individuals have unique set of fingerprints—even identical twins. . Fingerprints are an impression of the lines on the inner surface of the thumb and fingers.. Patterns are made by tiny ridges on the skin.. The ridges on our fingertips help us grip objects.. When we touch .