Unit 1 Review Crime Scene Basics Eyewitness Basics

Unit 1 Review Crime Scene Basics & Eyewitness Basics T. Trimpe 2006 http: //sciencespot. net/

1 point each Spelling counts!

Answer each question to the best of your knowledge. A. What are the four steps used to analyze a crime scene? Interview Examine Document Process 4 points DNA B. What type of evidence does the FBI consider to be the most valuable? _______ 1 point C. List three ways investigators use evidence collected at a crime scene. • May prove that a crime has been committed • Establish any key elements of a crime Need 3 ways • Link a suspect with a crime scene or a victim • Establish the identity of a victim or suspect 3 points • Corroborate verbal witness testimony • Exonerate the innocent. • Give detectives leads to work with in the case

D. Write the correct letter in each blank to identify each person involved in a crime scene investigation. F Interviews witnesses and works with the CSI unit to investigate the crime A. POLICE OFFICERS B. CSI UNIT C. DISTRICT ATTORNEY D. MEDICAL EXAMINER E. SPECIALISTS F. DETECTIVES A Usually the first to arrive at a crime scene; responsible for securing the scene and detaining persons of interest D Determines the preliminary cause of death at the crime scene and conducts the autopsy Helps to determine if any search warrants are required to proceed and C obtains those warrants from a judge 6 points E May be called in if an expert is needed to analyze insect evidence or skeletal remains B Documents the crime scene in detail and collects any physical evidence E. What are three factors that might affect a person's ability to remember what happened during a crime or to identify a suspect? Explain each one. Possible answers include: Age, race, drug use, outside influence, level of trauma, length of time, characteristics of a suspect (tattoos, scars, etc. ), and the time of day Need 3 things + explanation 6 points

What’s your grade? 35 Points Total Miss more than 14? I’ll figure the grade! -1 = 97 -2 = 94 -3 = 91 -4 = 89 -5 = 86 -6 = 83 -7 = 80 -8 = 77 -9 = 74 -10 = 71 -11 = 69 -12 = 66 -13 = 63 -14 = 60