foren unit 1 pp 2013-2014

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    What is Forensic SciencUnit 1

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    Is it?

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    Cracking open the case...

    What is forensic science?

    __________________________

    Usually refers to:scientific stud

    evidence to discover the facts in criminal or civil matter

    new technology has made this a

    rapidly growing field

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    What it is and its not?

    It is not =kicking down doors, interrogating suspects, speculascenarios, multiple expertise, dna analysis in a day

    It is = no judgments, speculations or interrogating, and usuallexpertise, it could take weeks/months to

    The CSI effect

    .Well the good news is.increase in applications to forensic sresearch programs at universities...More scientists = yay!!!! :)

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    Different specialities

    Criminalistics Crime Scene Investigation Forensic Medicine Forensic Toxicology Forensic Entomology

    Forensic Engineering Forensic Dentistry Forensic Art Forensic Psychology and Psychiatry

    Jurisprudence

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    How can you become a forensicscientist?

    Keep an open mind...what are you good at? Dont worry if you're not a science person Rewards of an exhilarating career for extra work Any course that sharpens your skills of analysis w

    useful.

    A bachelors degree in science good note taking skills ability to write understandable scientific reports good communication

    good ethics and and personal integrity :)

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    So what do you think...

    should shows like CSI

    and Law and Order be

    taken off the air due to it

    complicating real life

    crimes, otherwise known

    as the CSI EFFECT?

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    History and Origins

    Forensic = latin, meaning of or beforforum

    Ancient Rome China, 1247Mathieu O

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    Famous Scientists

    Francis Galton Edmond Locard Hans Gross

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    Two Landmark Cases

    Frye v. United States What will the court except as scientific evide questioned procedure must be generally ac

    Daubert v. Merrell Dow Pharmaceutic Frye is not the only standard for submitting

    evidence

    The judge must act as the gatekeeper in m

    sure it is both reliable and relevant to th

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    Nothing but the truth!

    Forensic scientiexpert witnesseOnly witnesses a

    to state their opcourt. However,to be accurate,objective, and fa

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    Why this is such a big deal!

    The difference between an expert witnand and an eyewitness

    Eyewitness must only tell what they

    personally heard or saw. Eyewitness testimony is often unreliab Depends on perception of that person

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    CRIME SCENE

    The process of the scientific method is

    essential for a crime scene! So...what 1st happens at the crime sce

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    What happens at a crime scene?

    1. Secure and protect the integrity of the c.s.2. Do not disturb the evidence

    3. Crime scene investigators (CSI) gather info and document aka w

    -determine what type of scene

    primary or secondary

    -types of evidence

    -mental note of points of entry/exit

    -mentally reconstruct or put together the events

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    4th Amendment

    The Fourth Amendment(Amendment IV)to the United States Constitutionis the part of the

    Rightsthat prohibits

    ________________________________________

    ________________________________________

    ________________________________________

    ________________________________________

    ________________________________________

    ____________________.

    http://en.wikipedia.org/wiki/United_States_Bill_of_Rightshttp://en.wikipedia.org/wiki/United_States_Bill_of_Rightshttp://en.wikipedia.org/wiki/United_States_Constitutionhttp://en.wikipedia.org/wiki/United_States_Bill_of_Rightshttp://en.wikipedia.org/wiki/United_States_Bill_of_Rightshttp://en.wikipedia.org/wiki/United_States_Bill_of_Rightshttp://en.wikipedia.org/wiki/United_States_Constitution
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    Obtaining the search war

    Only __________may issue search warrantsTo obtain a warrant, ______________ mustthat there is probable cause to believe a seajustified.

    Officers must support this showing with______________________, and must descrparticularity the place they will search and titems they will seize.

    http://topics.law.cornell.edu/wex/probable_causehttp://topics.law.cornell.edu/wex/probable_cause
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    Goals of the Crime Scene Search

    1. Provide info on the Corpus Delicti2. Provide info on Modus Operandi

    3. Links a suspect with a victim

    4. Links a person with a crime scene

    5. Disproves or supports an alibi

    6. Identifies a suspect

    7. Provides investigative leads

    8. Identifies unknown substances

    I t f

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    Importance of our sensesobserving

    As a CSI, its important to have keenobservation skills

    You only get one chance to search the

    Viewing the crime scene as a whole...kopen mind

    Look for what is present and what is m

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    Locards Exchange Princi

    There are two theories behind crime scensearches

    1. Linkage Theory-

    2. Locards Theory of Exchange -

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    Methods of searching crime scenes

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    Documenting the Crime Scene

    Taking meticulous notes

    Video taping the crime scene

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    Documenting the Crime Scene (cont)

    Photographing the crime scene

    Making a diagram of the crime scene

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    Physical Evidence

    How to properly collect evidence:

    Evidence Classification:

    i id i h h i

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    Keeping evidence in the proper chaicustody