Forensics - Unit 1 2024 Edition. All Questions & Correct Answers. Graded A+, Exams of Forensics

Download Forensics - Unit 1 2024 Edition. All Questions & Correct Answers. Graded A+ and more Exams Forensics in PDF only on Docsity! Forensics - Unit 1 2024 Edition. All Questions & Correct Answers. Graded A+ Circumstantial or direct? Fingerprint left on a door handle of a car A written confession signed by a suspect A piece of gum left at a crime scene A tape recording of a suspect admitting to a crime - ANS1. circumstantial 2. direct (it is signed) 3. circumstantial 4. direct How can we, as forensic scientists, become better observers? - ANSSlow down, make methodical observations, take photos/notes How do people process information/stimuli that bombards them on a daily basis? - ANSThe brain only holds information that it deems ¨important¨. Information is considered ¨important¨ when we pay attention to the information. How is small, dry evidence collected? - ANSUsually in a bindle How is wet evidence collected? - ANSIt must be dried naturally and then packaged If someone receives bagged evidence with a signature on a label, how must they go about opening the bag to get to the evidence? - ANSThey must get into the bag another way. The signed seal must never be tampered with. Individual or Class? Skin cells found under the fingernails of a victim (DNA) Size 9 Nike shoe found beside a dead body 1990 Ford Explorer seen driving away from an armed robbery A fingerprint left on a soda can found at a crime scene - ANS1. individual 2. class 3. class 4. individual Physical or biological? Jacket fiber (100% cotton) Bullet casing Glass fragments Ransom note - ANS1. biological 2. physical 3. physical 4. physical What are the 7 S's of crime scene investigation? - ANSSecuring the scene, separating witnesses, scanning the scene, seeing the scene, sketching the scene, searching the scene, and securing and collecting evidence. What does Locard's Principle of Exchange state? - ANSEvery contact leaves a trace What happens when a first responder "secures a crime scene?" - ANSThey check to make sure no one needs medical attention, they barricade the scene using crime scene tape, they post an officer at all entries and exits, they record everyone that comes in and out of the crime scene. What is a bindle? - ANSA small paper envelope that protects really small evidence What is deductive reasoning? - ANSDeriving consequences from facts using a series of logical steps What is the difference between circumstantial evidence and direct evidence? - ANSCircumstantial evidence is implied while direct evidence is more straightforward - it is first hand. What is the difference between individual evidence and class evidence? - ANSIndividual evidence leads directly to a person while class evidence can only point to a group of people. What is the difference between physical evidence and biological evidence? - ANSBiological evidence is derived from a person, plant, animal, or mineral - everything else is physical evidence What is the goal of forensics? - ANSTo solve crimes using science (observe, collect and analyze evidence) What is the problem with trusting eyewitnesses at a crime scene? - ANSSometimes their brain plays ¨tricks¨. They may think they remember the events, but their brain is really pulling from their subconscious memory. What is the proper method of transporting a microscope? - ANSArm and base What is the purpose of the innocence project? - ANSTo reevaluate post conviction cases using scientific advancements What percentage of wrongful conviction cases has the Innocence Project helped solve? - ANS87%