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Trace Evidence

Published on Nov 22, 2015

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PRESENTATION OUTLINE

TRACE EVIDENCE

CREATED BY AVERY MCANELLY

TRACE #1

  • Key
  • A little chromatography and detective work can determine which lock it belongs.
  • Can find evidence linking it to a suspect
  • Who works at the post office?
Photo by lautsu

SAND

  • Found near water sources and/or zoos
  • Who spends a lot of time near the water?
  • Who works on the beach
  • Can perhaps identify potential crime scene

PLASTIC TIE

  • Can belong to suspect
  • Ties up groceries
  • Could find place where murder weapon belongs
  • What kind of grocery does it belong to?
Photo by A. Germain

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BROKEN CRAYONTIP

  • The perp could have kids
  • Which store did it come from?
  • Is it from a classroom?
  • The perp could work at a public school
Photo by chefranden

SPARE STRING OF LACE

  • Belongs on a piece of clothing
  • What is its pattern and who sold it.
  • Whom was it sold to.
  • Where is this kind of lace mostly sold?
Photo by dtomaloff

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PARCHEMENT

  • Parchment is commonly used.
  • Where would it be?
  • Where did it come from?
  • Could it be from an artifact?
  • Did this person work in banking?
Photo by Amir Kuckovic

RICE

  • Where this rice was sold.
  • Who buys this brand of rice this often
  • What kind of brand is this rice?
  • Was that rice on one of the people involved in this crime.
Photo by Carlos Gracia

BUTTON

  • Can find if it belongs to a suspects shirt
  • Where did it come from?
  • Does the perp work in a clothes store?
Photo by Paul Vaarkamp