IAI - CSA TECHNIQUES OF CRIME SCENE INVESTIGATION EXAM NEWEST 2024 ACTUAL EXAM COMPLETE 200 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A

1 | P a g e IAI - CSA TECHNIQUES OF CRIME SCENE INVESTIGATION EXAM NEWEST 2024 ACTUAL EXAM COMPLETE 200 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A What is the most effective way to minimize loss of information? - ANSWER- Thorough, detailed contemporaneous note taking, that is, recording significant as well as mundane observations at the time they are noticed. After making sure the scene is safe, the first officer should? - ANSWER- Attempt to form an estimate of the situation—what happened here as quickly as possible. What observations by the first officer be noted? - ANSWER- An effort must be made to observe details, particularly those that are fleeting, and to take written notes as soon as possible on such points as • Doors—Open, closed, or locked? On which side was the key? • Windows—Open or closed? Were they locked? • Lights—On or off? Which lights were on? • Shades, shutters, or blinds—Open or closed? • Odors—Cigarette smoke, gas, gun powder, perfume, decomposition, etc.? • Signs of activity— Meal preparation, dishes in the sink, house clean or dirty, etc.? • Date and time indicators—Mail, newspapers, dates on milk 2 | P a g e cartons, stopped clocks, spoiled foods, items that should have been hot or cold but were at room temperature. • Messages on answering machine, voicemail/texts on cellphone? The general rule for the first officer is that any firearms or ammunition should? - ANSWER- Be left untouched until investigating personnel arrive. While waiting for the investigators to arrive, the first officer should? - ANSWER- Write down the names of witnesses and other persons who entered the scene. Note who was at the scene when the officer arrived. Establish the basic facts. Keep the suspect and witnesses separated Instruct witnesses not to discuss the events Do not discuss the crime with witnesses or bystanders Listen attentively, but unobtrusively 3 | P a g e Protect evidence that is in the danger of being destroyed What are the objectives of a crime scene investigation? - ANSWER- Reconstruct the incident Ascertain the sequence of events Determine the mode of operation Uncover a motive Discover what property was stolen Find out all that the criminal may have done Determine the perpetrator of the crime Recover physical evidence of the crime Identify the victim in some cases What duties do crime scene investigators have? - ANSWERGather all evidence available at the scene Must find and preserve trace evidence Proceed calmly and deliberately 4 | P a g e Not approach the task with preconceived ideas or draw premature decisions. Scrutinize the scene with their eyes open for details. What is a good rule in crime scene processing? - ANSWER- it is better to have processed the scene more thoroughly than needed than to have overlooked something seemingly insignificant that later turns out to be a critical item of evidence in the investigation. What are important lessons learned from the O.J. Simpson Case? - ANSWER- Appearance and perceptions, as well as the ability to communicate effectively to a jury, are equally important. The focus of forensic science has shifted from the laboratory to the crime scene. What is an appropriate way for blood-soaked clothing or bedding to be handled for immediate transportation to a crime lab? - ANSWER- Separate packaging in a clean plastic trash bag