FINDING FINGERPRINTS

Dec 04, 2012

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FINDING FINGERPRINTS

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Fingerprints

Fingerprints. Summary. What are fingerprints? How are fingerprints analyzed? How are fingerprints collected?. Fingerprints. What are fingerprints?. Friction ridge skin pattern. Found on fingers, palms, toes, soles of feet. Composed of ridges (hills) and furrows (valleys). Black = Ridges

959 views • 26 slides

Fingerprints

Fingerprints. “Fingerprints cannot lie, but liars can make fingerprints” - proverb. In this chapter you will learn…. Why fingerprints are individual evidence Why there may be no fingerprint evidence at the crime scene How computers have assisted the process

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FINGERPRINTS

FINGERPRINTS. Chapter 3. History. The first systematic attempt at personal identification was devised by a French police expert, Alphonse Bertillion .

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Fingerprints

Fingerprints. Review. 1 point each. Loops. Whorls. Arches. 60. 35. 5. Accidental. Tented Arch. Ulnar Loop. Double Loop. Plain Arch. Plain Whorl. Central Pocket Whorl. Radial Loop. 1. What are the three main groups for fingerprints? _____________, _____________, & ____________

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Fingerprints

Fingerprints. Chapter 14. History of Fingerprinting. History of Fingerprinting. Alphonse Bertillon 1883 – First systematic attempt at personal identification Used portrait parl é - verbal description of perpetrator’s physical characteristics and dress provided by an eyewitness

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Fingerprints

Fingerprints. Recording and classifying prints Rolling inked prints Loops, whorls, arches, ridge characteristics Primary identification number. Lifting prints Black, white, and fluorescent powder Chemicals — ninhydrin, iodine, silver nitrate, cyanoacrylate

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Fingerprints

STANDARD : SFS2a-Identify and utilize appropriate techniques used to lift and evaluate readable, latent, plastic and visible prints. EQ: How are prints used to trace a suspect to a crime? WARM-UP: Read the Case File on pg 547 and answer the following questions .

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Fingerprints

Fingerprints. “Fingerprints cannot lie, but liars can make fingerprints” -Unknown. A little history…. First systematic attempt at personal identification devised by Bertillon in 1883 Three parts: Anthropometry Portrait parlé photographs. Bertillon card. 11 measurements

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Fingerprints

Fingerprints. Fingerprints – marks left behind when someone touches an object with their fingers. Impression left in something soft – soap, wet paint, clay Print left by a hand covered in dirt, blood or paint

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Fingerprints

Fingerprints. What makes a fingerprint?.

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Fingerprints

Fingerprints. Grade 6 Science – Crime and Investigation. Why is fingerprinting so important in crime investigations?. Study of Fingerprints. The study of fingerprints is known as Dactyloscopy . Crime investigators use various methods to collect D actylograms (or fingerprints).

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Fingerprints

Fingerprints. Development of Fingerprints. Minutiae. Fundamental Principles of Fingerprints. Unique. Permanent. Can be analyzed. Three Types of Fingerprints. Whorl. Loop. Arch. Loop Fingerprints. Radial. Ulnar. Whorl Fingerprints. Central Pocket. Plain. Accidental. Double Loop.

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Fingerprints

Fingerprints. By: Matthew Chang. Fingerprint Classes. There are three specific classes for all fingerprints based on a pattern: Arch, Loop, and Whorl. History of Fingerprints. John Evangelist Purkinji - 1823.

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Fingerprints

Fingerprints. T. Trimpe 2006 http://sciencespot.net. 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 exact same fingerprint pattern.

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Fingerprints

Fingerprints. Chapter 14 Criminalistics. History of Fingerprinting. Alphonse Bertillon in 1883 First systematic attempt at personal identification Anthropometry : system of precise body measurements. Included detailed descriptions of the subject

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Fingerprints

Fingerprints. Outline. Individuality of Fingerprints What are fingerprints? Classification of fingerprint patterns AFIS Methods of detecting latent fingerprints. Individuality of Fingerprints. Started collecting fingerprints around 1910 (Civil Service)

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Fingerprints

Fingerprints. Lesson 1 – Fingerprints at the Crime Scene. Lesson Essential Questions: How are fingerprints used as evidence in crime scenes?. According to criminal investigators, fingerprints follow 3 fundamental principles:

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FingerPrints

September 9 , 2014. 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? Yes – even identical twins have different fingerprints.

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Fingerprints

Fingerprints. CI 5: Demonstrate methods of fingerprint development. EQ: What are the patterns and characteristics of fingerprints?. Fingerprint . An imprint made by ridge patterns on the tip of a finger. dactyloscopy. The study of fingerprints. anthropometry.

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FINGERPRINTS

FINGERPRINTS. Chapter 14. Students Will Be Able To:. Describe the formation of a fingerprint. Discuss the history of fingerprinting. “ Today the fingerprint is the pillar of modern criminal identification .”. Dactylscopy. Is the study of fingerprints. Principles of Fingerprints.

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Fingerprints

Fingerprints. History. 3000 years ago… Chinese used fingerprints for legal papers 1880 Henry Fauld –first to use FP to ID criminals 1897 Sir Edward Richard Henry- -developed Henry classification - based on all 10 prints - number/location of whorls. Skin.

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Fingerprints

Fingerprints. Objectives. You will understand: Why fingerprints are individual evidence. Why there may be no fingerprint evidence at a crime scene. How computers have made personal identification easier. Objectives, continued. You will be able to:

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