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Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
Law day presentation
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Law day presentation

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Transcript

  • 1.
  • 2. The Effect
    Susan Shankles
    TPD Crime Lab Superintendent
    Hon. Teresa Godoy
    Superior Court Judge & Former Prosecutor
  • 3. CSI effect – Many definitions
    The best-known definition states that CSI creates unreasonable expectations on the part of jurors, making it more difficult for prosecutors to obtain convictions.
    The second definition, which runs contrary to the first, refers to the way that CSI raises the stature of scientific evidence to virtual infallibility, thus making scientific evidence impenetrable.
    The final definition focuses on CSI's increasing lay interest in forensics and science. Thus, viewers who serve as jurors will be more interested in and able to follow scientific evidence. They may even become interested in academic training and careers in the forensics field.
  • 4. CSI effect in the courtroom
  • 5. Who does this “effect” affect?
    Police
    Over-collect evidence; higher expectations of the value of evidence in solving a case
    Attorneys
    Burden to request tests to cover all eventualities
    May dismiss certain cases for lack of forensic evidence
    Juries
    View a lack of forensic evidence as “reasonable doubt”
    Hold forensic evidence as infallible or unrebuttable proof of guilt
    Forensic Labs
    Cost overruns
    Backlogs
  • 6. Juror Perspective
    Expect to see solid physical evidence indicating the defendant
    Likely to ignore circumstantial evidence
    Always assume DNA evidence should be found at the scene
    If physical evidence is found, it is now much less likely to be questioned by jurors
  • 7.
  • 8. CSI and the Courtroom
    Experts have claimed an incidence of the “CSI effect” in courtrooms
    Trend in which TV shows increase the expectations of victims’ and jury members’ concerning forensic evidence and the level of crime scene investigation
    Evidence is being presented differently at trial
  • 9. 38 percent suffered at least one “CSI” acquittal or hung jury
    70 percent voir dire on CSI (type shows)
    72 percent believe that CSI has caused some jurors to believe that they have an “expertise” gained from watching CSI
  • 10. Jurors demanding DNA
    In a recent murder trial in Phoenix, a bloody coat was introduced as evidence. It was not tested for DNA.
    The jury informed the judge that testing was not performed on the coat even though it was not needed because the defendant admitted that the coat was his.
    The judge then determined that “television had taught the jury what DNA tests were but didn’t teach them in what circumstances they can be used in”
  • 11. Nielsen Ratings Sept. 1-8 2008
    10. "Bones," Fox, 9.74 million viewers.
    11. "The OT," Fox, 8.99 million viewers.
    12. Republican Convention Coverage (Thursday), NBC, 8.66 million
    14. "NCIS," CBS, 8.17 million viewers.
    15. "Two and a Half Men," CBS, 7.83 million viewers.
    16. "House," Fox, 7.75 million viewers.
    17. "CSI: Crime Scene Investigation," CBS, 7.27 million viewers.
  • 12. Sure It Looks Cool But…
  • 13. Science vs. Entertainment
    Truth doesn’t always make good fiction
    Story lines need to be “jazzed” to meet the current trends in entertainment
    It’s all about the ratings, not the facts of the case
    Dramatizations “clean up” the messy truth
    More makeup and larger budgets
    Everything gets solved in an hour
  • 14. Interesting Facts
    “40 percent of the ‘forensic science’ in these shows does not even exist. That’s why CSI won a Saturn Award for the best science fiction drama in 2004, beating out Buffy the Vampire Slayer.” –Jennifer Joyce, circuit attorney
    The real Miami Forensic Crime Lab has stated that the way CSI-Miami portrays one case would bankrupt the budget for the entire year.
  • 15. CSI Myths
    Myth 1: Laboratory Personnel can examine evidence as soon as it gets to the lab
    Usually takes months before time permits an examination of the evidence due to back logs and quality control procedures
  • 16. Myth 2: One person can examine all types of evidence
    There are few ‘generalists’ in today’s forensics
    The expertise required for each section of forensics sometimes requires one piece of evidence to be examined by more than one individual
  • 17. Myth 3: Fingerprints susceptible to testing and identification are always found
    Finding identifiable fingerprints that can be collected and are of a high enough quality to do an automated search are rare
    Normally fingerprint comparison must be done by ‘hand’
  • 18. “I can get a print off the air”
  • 19. Myth 4: Testing for drugs and chemicals in blood is quick and easy
    Numerous drugs, botanicals, & chemicals can be present in blood
    Numerous instruments to identify these various compounds
    Process often takes
    weeks or months to
    complete
  • 20. Myth 5: The cooperative crime scene
    The ‘perfect’ evidence is rarely there
    Technology has greatly improved evidence collection but no technological advancements can find nonexistent evidence
    Time between occurrence and discovery of the crime is the biggest factor
  • 21. Myth 6: The fully equipped crime lab
    TV forensic labs are always fully equipped with the most up to date technology
    Even the labs with the largest budgets cannot afford to have the same lab quality as the labs on TV dramas
    Shortages occur with building space, funds, equipment and proficient personnel
  • 22. The CSI Crime Lab
  • 23. An Actual Crime Lab
  • 24. Top 10 Reasons Forensic Science is Not Like CSI
    10. A forensic entomologist is never in charge.
    9. Won't move to a new city to get better ratings.
    8. Real forensic labs can afford light bulbs.
    7. Hummers are not standard issue work vehicles.
    6. DNA results take weeks, not minutes or hours.
    5. Weapons are microscopes and test tubes - not Glock 9s and Sig Sauer P229s
    4. Not every sample gets run on the GC/MS.
    3. Don’t interview suspects
    2. Indoor crime scenes are very dirty and messy.
    1. It takes longer than 1 hour to solve a case.
  • 25. How Things Have Changed
    No DNA- blood typing is as good as it got.
    Fingerprint analysis was done completely by hand.
    Databases for fingerprints/DNA didn’t exist.
    Technology
  • 26. Milestones in Forensic Science
    Alphonse Bertillion: 1879—devised the first system of personal identification using body measurements.
    Francis Galton: 1892—conducted the first definitive study of fingerprints and their classification.
    Leone Lattes: 1901—developed a procedure to determine blood type from dried bloodstains
    Edmond Locard: 1910—created one of the first forensic labs in Lyons, France. Also developed the Locard exchange principle.
  • 27. More Milestones…
    Calvin Goddard: 1925—used a comparison microscope to determine if a particular gun fired a bullet.
    J. Edgar Hoover: 1932—FBI forensic lab was created.
    Dr. Alex Jeffries: 1985—created DNA typing or “fingerprinting.”
    FBI: 1998-99—created IAFIS and CODIS
  • 28. Another Effect:Increased Public Awareness of Forensics
    Some people now look forward to jury duty
    Better sense of investigations
    Popularized investigatory science programs
    Shifting demographics in forensics field
  • 29. Efforts to Minimize Potential Effects
    In Arizona prosecutors now use "negative evidence witnesses" to try to assure jurors that it is not unusual for real crime-scene investigators to fail to find DNA, fingerprints and other evidence at crime scenes.
    Prosecutors often question the jury about their TV viewing habits during voir dire.
  • 30. Are You Interested in a Career in Forensic Science?
    Add CSI Summer School Video
  • 31. Criminalist vs. Crime Scene Specialist
  • 32. Thank You

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