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Forensic Science

Chapter 3 Evidence Test Review

QuestionAnswer
Identification or Comparison? The DNA matched the victim. Comparison
Identification or Comparison? The green slime was algae. Identification
Identification or Comparison? The fingerprints at the crime scene were NOT the suspect’s. Comparison
Individual or Class? Fingerprints Individual
Individual or Class? Cut hair Class
This database contains information about fingerprints. IAFIS
This database contains information about DNA. CODIS
Individual or Class? Striations on a bullet Individual
Individual or Class? White house paint Class
This database contains information about firearms and ballistics. NIBIN/IBIS
This database contains information about paint. PDQ
This database contains information about shoe prints. SICAR
Define Locard’s Exchange Principle This principle states that when a criminal comes in contact with an object or person, a transfer of evidence occurs.
Define Physical evidence Any object or material that is relevant in a crime (also called trace evidence)
Three traits each have a probability of 33%. What is the probability of having all three? 3.6%
Give two examples of Locard's Exchange Principle Defendant's fingerprints on a cup of glass; carpet fiber found on victim's sock.
Define comparison A comparison analysis subjects a suspect’s and standard/reference specimen to the same tests and examinations for the ultimate purpose of determining whether or not they have a common origin.
Created by: teacherkristine
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