Forensics – Flashcard
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Criminal investigations depend on the observation skills of all involved those involved including
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Police investigators for forensic scientist and witnesses
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The purpose of the innocence Project is
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DNA evidence to provide conclusive proof of innocence
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Forensics derived from the Latin word for Forrensis which means
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Of the forum
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Forsensic science is strictly concerned with uncovering evidence that
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Stands as fact
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A psychologist who has spent the last 50 years studying faces Paul Eckman is a leading expert on
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Facial analysis and deception
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Paul Eckman's early research led to a major discovery that changed how scientist view human expression he found out that our expressions are
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Biologically programmed
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The verbal testimony of a forensic scientist alone may not be entered into evidence without
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The proper documentation
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Weather observing at a crime scene or examining collected evidence in the lab laboratory the forensic examiner must be able to
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Identify the evidence record of the evidence return the significance of the evidence
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A person who has seen someone or something and I can communicate these facts is
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A eyewitness
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When evaluating eyewitness testimony discriminate between fact and
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Perception
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To ensure all evidence is found a crime scene and is often laid out in a
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Grid
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Interesting aspect of our perception is that we
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Believe what we see here even though our ability to be accurate is flawed
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Eyewitness accounts a prime soon events very considerably from one person to another what you observed depends on your level of
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Interest stress concentration in the amount of and kind of distraction that may be present
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The goal of a crime scene investigation is to
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Recognize evidence at the crime scene document evidence at the crime scene collect evidence at the scene of the crime
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Direct evidence includes
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First and observations such as eyewitness accounts
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Circumstantial evidence is
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Indirect evidence that can be used to imply a fact but does not directly prove it
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Trace evidence is a type of circumstantial evidence examples of which include
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Hair found on a brush fingerprints found on the glass blood drops on a shirt
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Class evidence Narrows and identity two
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A group of persons or things
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The crime scene investigation team is made up of
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Legal and scientific professionals who work together to solve a crime
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Specialist at a crime scene include
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Entomologist forensic scientist forensic psychologist
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The first to arrive at a crime scene are usually
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Police officers
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A pollen grain is a reproductive structure that contains the
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Male gametes of seed plants such as the oak tree
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A spore a kind of reproductive structure that can develop into an idol is found in certain
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Fungi plants protists
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The use of both pollen and spores and forensic science studies is based on
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low cards principle of exchange
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A pollen fingerprint is
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Number and type of pollen grains found in a geographical area at a particular time and year
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Seed plants include two groups
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Gymnosperms angiosperms
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Angiosperms the most recent plant group to evolve are known as
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Flowering plants and they produce seeds with in a enclosed fruit
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Medical examiners are also called
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Coroners
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Crime scene investigators include
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Recorders to record the data sketch artist to sketch the crime scene photographer take photos of the crime scene
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Securing the crime scene and the responsibility of the first responding
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Police officer
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All evidence needs to be properly packaged sealed and labeled liquids and arson remains are stored in
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Airtight unbreakable containers
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The forensic lab processes all of the evidence the crime scene investigation collected to determine the
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Facts of the case
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Crime scene reconstruction involves forming a hypothesis of the sequence of events for before the crime was committed
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Through it's commission
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Whenever two people come in contact with each other if visible transfer occurs to a friends examiner these transfer materials constitute what is called
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Trace evidence
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The field of forensic palynology is the study of
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Pollen in spore evidence to help solve criminal cases
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The pistol is the female part of a flower that reproduces
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Eggs
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The pistol is made up of the
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Stigma style ovary
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The mail part of the flower that is responsible and dispersal is the
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Staman
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The stamen consist of two parts the anther and the
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Filament
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The transfer of pollen from the male part of the plant to the female part of a seed plant is known as
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Pollination
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The flowering plants are the most successful and widespread group of plants on earth today they are found in almost all habitats and there are about
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300,000 species known
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Some factors that personalize are footwear include
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Bodyweight the shape of the foot in the where is activities the service on which the person usually walks
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Numerous prince to gather can tell investigator about the person's gate or
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Walking habits
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Information that can be obtained from shoe impressions includes
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The number of people at the crime scene in the movement of the individuals at the crime scene the entrance and exit to the crime scene
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There are several different methods to make a latent prints visible these include
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Lumen oil to make bloody footprints visible dusting off the latent print which revealed an impression and makes invisible to be photographed in lifted electrostatic lifting and Joe lifting techniques which capture invisible impressions
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A three dimensional impression such as a supra and Mod or snow is called
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A cast
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The casting material used for snow is called
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Dental stone
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I tires tread surface is divided into
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Ridges And grooves
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Track which is measured from center of each tire to the center of
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The opposite tire
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Turning diameter is a measure of how tight is Circle K me driven by a vehicle or the Memmen minimal space required for a car to make a day
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U-turn
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When a vehicle turns a sharp corner even at a moderate speeds the track is created by additional stress put on the
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Front outer tire
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The unique design of a tire service is referred to as it's
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Tread pattern
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Tire mart types include
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Skidmarks yaw marks tires scrubs
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The approximate age of a child can be estimated by viewing the child teeth presence of wisdom teeth usually indicates a age over
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17
