Chapter 3 physical evidence , 2. Study with Quizlet and memorize flashcards containing terms like Biological Evidence, Class Characteristics, Combined DNA Index System (CODIS) and more. Significance of physical evidence and steps in its analysis. 0 (1 review) Study with Quizlet and memorize flashcards containing terms like What is the definition of physical evidence Study with Quizlet and memorize flashcards containing terms like 1. , (Blank) analysis subjects a suspect and a Study with Quizlet and memorize flashcards containing terms like The examination of physical evidence by a forensic scientist is usually undertaken for, Probability is defined as:, IAFIS is a database for: and more. , 3. , What are the process of Identification?, The number and type of test to identify a substance must be sufficient to ________ all other substances from consideration and more. Study with Quizlet and memorize flashcards containing terms like List 5 examples of each of the following types of physical evidence: biological materials, impressions, and manufactured items, What is the purpose of identification? What is the definition of physical evidence? Any object that can establish a crime that has been committed or link a victim to a crime. Must meet characteristics of a specific material AND exclude other substances Common Types of Physical Evidence Blood, semen, and saliva All suspected blood, semen, or saliva - liquid or dried, animal or human - present in a form to suggest a relation to the offense or persons involved in a crime. Chapter 3 – Physical Evidence Slides Physical Evidence. Identification - Determination of physical or chemical identity of a substance with as near certainty as the analytical method will permit. Physical Evidence The examination of physical evidence by a forensic scientist is generally undertaken for the purposes of identification or comparison. A ____ analysis subjects a suspect Study with Quizlet and memorize flashcards containing terms like The process of _________ determines a substance's physical or chemical identity with as near absolute certainty as existing analytical techniques will permit. What are 2 reasons why physical evidence is more reliable than eyewitness testimony? List five examples of each of the following types of physical evidence: biological materials, impressions, and manufactured items. , The number & type of tests needed to identify a substance must be sufficient to (blank) all other substances from consideration. Impressions Study with Quizlet and memorize flashcards containing terms like What is the definition of physical evidence?, What are 2 reasons why physical evidence is more reliable than eyewitness testimony?, List 6 types of physical evidence derived from human or other animal sources that are commonly found at crime scenes. Fingerprints. Chapter 3 Physical Evidence Part II Naturally shed hairs, such as a head hair dislodged through combing, display undamaged, club-shaped roots Forcibly. d. An impression from a new automobile tire. Common types of physical evidence. Function and value of national databases available Common Types of Physical Evidence. . Jan 22, 2025 · Study with Quizlet and memorize flashcards containing terms like The process of (blank) determines a substance's physical or chemical identity with as near absolute certainty as existing analytical techniques will permit. Chapter 3 - Physical Evidence. Can the source of the sample be identified? Study with Quizlet and memorize flashcards containing terms like True or false- almost anything can be physical evidence, Purpose of recognizing physical evidence, Who decides if evidence will be in a case? and more. May 10, 2012 · Chapter 3 – Physical Evidence • List the common types of physical evidence encountered at crime scenes • Explain the difference between the identification and comparison of physical evidence • Define individual and class characteristics • Discuss the value of class evidence to a criminal investigation • Explain the purpose physical evidence plays in reconstructing the events Study with Quizlet and memorize flashcards containing terms like What are 2 reasons why physical evidence is more reliable than eyewitness?, List 4 types of physical evidence derived from human or other animal sources that are commonly found at crime scenes, List 4 types of physical evidence that is not derived from human or animal sources and more. Firearms and ammunition. A mass-produced synthetic -Comparing DNA samples from the suspect and a crime scene-Matching ridge characteristics of 2 finger prints-Comparison of random striation markings on bullet of tool marks to weapon-Comparison of irregular and random wear patterns in tire or footwear impressions to a car or pair of shoes-Comparison of handwriting characteristics on piece of paper to person's handwriting sample-Fitting together Study with Quizlet and memorize flashcards containing terms like List six types of physical evidence derived from human or other animal sources that are commonly found at crime scene. The likelihood of finding class physical evidence is _____ the likelihood of finding physical evidence with individual characteristics. The process of ______ determines a substances physical or chemical identity with a near absolute certainty as existing analytical techniques will permit. -Comparing DNA samples from the suspect and a crime scene-Matching ridge characteristics of 2 finger prints-Comparison of random striation markings on bullet of tool marks to weapon-Comparison of irregular and random wear patterns in tire or footwear impressions to a car or pair of shoes-Comparison of handwriting characteristics on piece of paper to person's handwriting sample-Fitting together Study with Quizlet and memorize flashcards containing terms like List six types of physical evidence derived from human or other animal sources that are commonly found at crime scene. Documents. Glass. Number and type of test needed to identify a substance must be sufficient to exclude all other substances from consideration. A fingerprint c. Blood, semen, and saliva. Drugs. 4. Study with Quizlet and memorize flashcards containing terms like List some of the advantages of class physical evidence. Study with Quizlet and memorize flashcards containing terms like Physical Evidence, What are some common types of physical evidence?, What is the purpose of identification analysis for physical evidence? and more. Chapter 3: Physical Evidence Key Topics. A spent bullet cartridge. Study with Quizlet and memorize flashcards containing terms like Physical evidence found in small, measurable amounts a) trace evidence b) testimonial evidence c) primary evidence d) secondary evidence, Intentionally setting a fire to cause damage or destroy evidence a) accomplice b) arson c) alibi d) CODIS, Can be classified as arches, loops or whorls a) bite marks b) fingerprints c) hairs d -Comparing DNA samples from the suspect and a crime scene-Matching ridge characteristics of 2 finger prints-Comparison of random striation markings on bullet of tool marks to weapon-Comparison of irregular and random wear patterns in tire or footwear impressions to a car or pair of shoes-Comparison of handwriting characteristics on piece of paper to person's handwriting sample-Fitting together Study with Quizlet and memorize flashcards containing terms like What is the purpose of recognizing physical evidence, What is physical evidence, How can physical evidence be classified and more. , For each piece of evidence listed below, indicate whether the item is more likely to possess class or individual characteristics and explain your answers: a. Study with Quizlet and memorize flashcards containing terms like List six types of physical evidence derived from human or other animal sources that are commonly found at crime scene. Explosives. , To permit positive identification, testing procedures used by a forensic scientist must meet what two conditions Chapter 3 Physical Evidence Part II Naturally shed hairs, such as a head hair dislodged through combing, display undamaged, club-shaped roots Forcibly. Fibers. Chapter 3: Physical Evidence Physical Evidence The examination of physical evidence by a forensic scientist is generally undertaken for the purposes of identification or comparison. , List and define the two methods used by forensic scientists when examining physical evidence. and more. Jan 22, 2025 · Although databases are consistently updated so that scientists can assign probabilities to class evidence, for the most part, forensic scientists must rely on _____ when interpreting the significance of class physical evidence. What is the purpose of identification? What are two main requirements for identification? “Could this evidence have come from a particular object or p erson?” “Does this evidence eliminate this individual?” Wood and other plant matter Significance of Physical Evidence Identification. greater value Physical evidence is considered to have ________ as that of eyewitness (testimonial) evidence. Process of determining a substance’s physical or chemical identity with as much certainty as existing techniques allow. Physical evidence encompasses any and all objects that can establish that a crime has or has not been committed or can provide a link between a crime and its victim or a crime and its perpetrator. b. Hair. Comparison - Compares standard and suspect samples to determine if they have a common origin.
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