PPT-Fingerprints

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. Brent Kennedy . Agenda . Overview. Security Issues. Usability Issues. Bring it all . together. Discussion. What is a fingerprint? . Sequence of ridges and valleys. No two fingerprints can be exactly the same. WHORL PATTERN. FINGERPRINT. FINGERPRINT patterns. GALTON DETAILS. Galton Characteristics. . SHORT RIDGE/. ISLAND . DOT . FORK/. BIFURCATION ENDING RIDGE. 1. The student will be able to:. Understand the factors affecting fingerprints. Obtain quality fingerprint impressions of another person. Compare the three major fingerprint patterns of arches, loops, and whorls, and their respective subclasses on the Tenprint. 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 . Can any two people have the same fingerprint?. Basic Principles. According to criminal investigators, fingerprints follow 3 fundamental principles:. A fingerprint is an . individual. characteristic; no two people have been found with the . day 1. Indentifying Individual Prints. Fingerprints. Fingerprint Principles. According to criminal investigators, fingerprints follow 3 fundamental principles:. A fingerprint is an . individual. characteristic; no two people have been found with the . 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. Akhil. . Vij. Anoop. . Namboodiri. . Overview. 2. Introduction. Major Challenges . Motivation. Local Structures for Indexing. Local Structures for Matching. Summary and Conclusion. Introduction. 3. Fingerprint Principles. According to criminal investigators, fingerprints follow 3 fundamental principles:. A fingerprint is an . individual. . characteristic; no two people have been found with the . 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.. “Fingerprints cannot lie, . but liars can make fingerprints.”. —. Unknown. 2. Fingerprinting Merit Badge. Requirement #1. Give . a short history of fingerprinting. . Tell . the difference between civil and criminal identification. . 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. . Quick Quiz. Can you tell if they match?. www.newscientist.com/gallery/mg20527522600-guess-the-fingerprints. 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. .